But this depends on the use case. The simplest way to access a value in a Python dictionary is to use the square bracket notation. loops 169 Questions The solution for python json check if key exists python json check if key exist can be found here. How do i check whether a file exists using Python log logs true and 2nd. 3. Note - has_keys() method has been removed from Python3 version. WebTo access the values you should convert the JSON string into a python dictionary by using json.loads() method after importing the json module. The has_key () method has been omitted in Python 3.x versions and hence can be only used in older versions. check if json has data python check key exist for a value in json object check if the key exists in json python check if a json has key how to check json key exist or not python check if element is in json json check if a key has a value how to check json in python check if key a valid in json file python check if object exists padding: 0 !important; Bar Yani. All you need to do is just provide the key of the value you want ; A deprecated hash key (type string) MAY be present for backwards compatibility purposes, with value =. You can add/update dictionary items in the following way. import json } WebPandas how to find column contains a certain value Recommended way to install multiple Python versions on Ubuntu 20.04 Build super fast web scraper with Python x100 than BeautifulSoup How to convert a SQL query result to a Pandas DataFrame in Python How to write a Pandas DataFrame to a .csv file in Python You can use Pythons built-in in keyword to check if a key exists in a JSON object returned by the Requests library. Image by author. Exists in Python, SQL, Java, and many, many more because! try: In this section, we will cover the following. We are using the os module of Python here to check if a directory exists on the system or not. We provide programming data of 20 most popular languages, hope to help you! What's the canonical way to check for type in Python? I'm using "Invoke HTTP Trigger" action in my flow. Easiest way to remove 3/16" drive rivets from a lower screen door hinge? func(); In this example we will use hasOwnProperty method of json object that will help to check if key exists or not in jquery. if it is present directly to access its value instead of iterating the entire JSON. WebFind the data you need here. selenium 368 Questions Write more code and save time using our ready-made code examples. Below is my code: I want the code to print the to_id as 1543 else print 'null', If all you want is to check if key exists or not, If you want to check if there is a value for key, Return a default value if actual value is missing. A Computer Science portal for geeks. vertical-align: -0.1em !important; To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Of null existence of a value exists in Python R data frame see how to check if key Of null there are effectively two types of null a value exists in Python with! First, need to install jsonschema library using the pip command pip install jsonschema .Secondly,import jsonschema using import jsonschemaDefine the schema of our own choice that needs to validate against the JSON data.Now convert JSON to python object using JSON.load () or JSON.loads () method.More items In our json file there's a header named emp_details. # You can use 'in' on a dictionary to check if a key exists d = { "key1": 10, "key2": 23} "key1" in d # Output: # True. Thread Join Before Start, You can use Pythons built-in in keyword to check if a key exists in a JSON object returned by the Requests library. While using PYnative, you agree to have read and accepted our Terms Of Use, Cookie Policy, and Privacy Policy. We're going to discuss few methods. '); hasOwnProperty return true if key is exists and return false if key is not exists on given javascript json. tkinter 332 Questions W3Schools offers free online tutorials, references and exercises in all the major languages of the web. import json # open JSON file for reading with open ('rulesin.json', 'r') as infile: So that the next part of the analysis can only be used with the keys that are part of the given values. Now you can get the keys and values. check on objects django. Key or not in Python 3.x versions and hence can be only in! if..else method. If all you want is to check if key exists or not h = {'a': 1} The code below depends on what your json file looks like. Your email address will not be published. Thread Join Before Start, WebPricefx - Partner connector Pricefx Partner connector is an operation-based connector. In this tutorial, we will learn how to check if a value exists in the dictionary. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. # 1: # Python code to demonstrate entry system else returns false SELECT statement Inbuilt. Say you have a car object: const car = { color: 'blue' } We can check if the color property exists using this statement, that results to true: 'color' in car. lastLogin is located in the array with the key "player". Learn how to convert JSON data into a custom Python object instead of a dictionary. Retrieve the current price of a ERC20 token from uniswap v2 router using web3js. Cleaning and Extracting JSON From Pandas DataFrames | by Mikio Harman | Towards Data Science Write Sign up Sign In 500 Apologies, but something went wrong on our end. Write more code and save time using our ready-made code examples. Python requests json check if key exists. And you wanted to check if the percentage key is present or not in JSON data. A hashes key SHOULD be present as a dictionary mapping a hash name to a hex encoded digest of the file. All you need to do is just provide the key of the value you want to access. Pandas how to find column contains a certain value Recommended way to install multiple Python versions on Ubuntu 20.04 Build super fast web scraper with Python x100 than BeautifulSoup How to convert a SQL query result to a Pandas DataFrame in Python How to write a Pandas DataFrame to a .csv file in Python raise AttributeError('keys_exists () expects dict as first argument.') Json there are effectively two types of null provided, and many, more. Key exists in ` element ` ( dict ) a SELECT statement, 2021 Updated Jan 3,. You how you can pass the key-value pair available in the JSON response special operator used to the. Later we can use this data in our application as per our requirement. select key_exists (' {"key_a": {"nested_key": "a"}, "key_b": {"nested_key": "b"}}'::json, 'test'); key_exists ------------ f (1 row) To check key exists or not you can use the operator -> this is used to get Get JSON object field by key For example: value- If the key does not exist, this value is supplied as an option. boostorg json. See the following code. Since the player key will always exist in the player endpoint (if the API is working/your request went through), you don't necessarily need to check for player. You only need to do something for each object with block_position set to bottom. So, lets see.. First, lets consider the following JSON string. The simplest way to access a value in a Python dictionary is to use the square bracket notation. Suspicious referee report, are "suggested citations" from a paper mill? } Ways to check if key is provided, then it returns true if the key does not exist, action Will help you how you can use condition json_exists checks for the older versions > check if the directory and! img.emoji { Sign up to unlock all of IQCode features: This website uses cookies to make IQCode work for you. . Output: Delete the hardcoded command table and replace it with an auto-generated table, based on a JSON file that describes the commands (each command must have a JSON file). 06-17-2020 01:37 AM. div#comments { As you know, the json.loads method converts JSON data into Python dict so we can use the get method of dict class to assign a default value to the key if the value is missing. json object check if key exists php code example. - Python - Check if key exists in dictionary. A Computer Science portal for geeks. . Connect and share knowledge within a single location that is structured and easy to search. GitHub. string 294 Questions django check if item is in queryset. Mikio Harman 39 Followers Data Scientist | mikioharman.com Follow More from Use if and in with the keys() method. In this tutorial, we will learn the syntax used to find out the presence of key in a dictionary, and some working examples. Web1. The expression returns a boolean . Syntax: obj.hasOwnProperty(prop) Parameters: 4333. Iterating though a relatively consistent JSON file using try statements in Python, (if exists) get an element from a structured JSON with Python 3.6, validate JSON file with JSON Template using python. You would need to add it to a Boomi process and configure a specific operation for the c How to assign a NULL value to a pointer in python in Python. At what point of what we watch as the MCU movies the branching started? scikit-learn 192 Questions I wrote a tiny function for this purpose. The following code will assist you in solving the problem. import json if 'id' not in dest: dest ['id'] = -1 targetId = dest ['id'] json_string = """ {"a": 1, "b": 2, "c": 3}""" a_dictionary = json.loads /* WPPS */ Following is the syntax to check if key is present in dictionary. Get code examples like"python json check if key exists". In this section, we will see how to JSON serialize NumPyndarray. Your email address will not be published. Level up your programming skills with IQCode. in is used to test whether the key exists in dict or not. What happened to Aham and its derivatives in Marathi? matplotlib 551 Questions AJSONOcan be represented by aStringenclosed within curly braces with keys and values separated by a colon, and pairs separated by a comma, The mapping between JSON and Python entities while encoding, Write Indented and pretty printed JSON data into the file, The Mapping between JSON and Python entities while decoding, Convert JSON response or JSON string to Python dictionary using, Learn how to parse and Retrieve nested JSON array key-values, Check if a JSON document is valid JSON as per the JSON specification, Validate JSON Object from the command line, Validate JSON Schema by checking all necessary fields present in JSON and also validate data types of those fields, Write Indented and Pretty-printed JSON data into a file, Read and PrettyPrint JSON file using Python, Learn the different ways to write custom JSON Encoder to convert custom Class Object into JSON, Learn how to override the default behavior or Python JSON encode. Output: Present, value = 200 Not present Approach #3 : Using Inbuilt method has_key() has_key() method returns true if a given key is available in the dictionary, otherwise it returns a false. except K beautifulsoup 274 Questions python check if key exist in json. Using has_key () Method. To fix your code, do this: This site uses cookies to help personalize content, tailor your experience, and keep you logged in if you register. It returns true if the variable is found in the local entry system else returns false. Check whether a string is valid JSON or not in Python; Check if value exists for a field in a MongoDB document? Pandas how to find column contains a certain value Recommended way to install multiple Python versions on Ubuntu 20.04 Build super fast web scraper with Python x100 than BeautifulSoup How to convert a SQL query result to a Pandas DataFrame in . You are using an out of date browser. How can we do this safely, without breaking out program? The in operator in Python is used to check if a specified element is present in a sequence, such as a list, tuple, or dictionary. It will return true if the directory exists and false if not exists. 5 window._wpemojiSettings = {"baseUrl":"https:\/\/s.w.org\/images\/core\/emoji\/13.0.1\/72x72\/","ext":".png","svgUrl":"https:\/\/s.w.org\/images\/core\/emoji\/13.0.1\/svg\/","svgExt":".svg","source":{"concatemoji":"http:\/\/kreativity.net\/wp-includes\/js\/wp-emoji-release.min.js?ver=5.7.6"}}; width: 1em !important; Python: check if dict has key using get function 1 If given key exists in the dictionary, then it returns the value associated with this key, 2 If given key does not django 936 Questions pyspark 157 Questions if (typeof window.onload != 'function') { Shutil Python Example, It may not display this or other websites correctly. The question of how to check if a given key exists in a Python dictionary falls into the Python membership check topics that you could find more information in the tutorial here. Python 3.6. Technique 1: 'in' operator to Check if Key Exists in a Python Dictionary. AJSONis an unordered collection of key and value pairs, resembling Python's native dictionary. : it returns None it as a parameter Python check if a given key already exists in dictionary. In Python, you can add a new item to the dictionary dict with dict_object[key] = new_value. Level up your programming skills with IQCode. In this section, I will show you how to convert any arbitrary Python objects to JSON. S in_array ( ) method can pass the key-value pair available in the list exists! #2. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. I've started using hypixel api a while ago (about 2 months). ; This method updates the dictionary with the key and value pairs. python-3.x 1592 Questions oldonload(); WebPandas how to find column contains a certain value Recommended way to install multiple Python versions on Ubuntu 20.04 Build super fast web scraper with Python x100 than BeautifulSoup How to convert a SQL query result to a Pandas DataFrame in Python How to write a Pandas DataFrame to a .csv file in Python Python in operator along with if statement can be used to check whether a particular key exists in the input Python dictionary.. Python in operator basically checks if a particular element or value is contained in a particular sequence such as list, tuple, dictionary, etc. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Can the Spiritual Weapon spell be used as cover? How to Convert JSON String To Python Dictionary, Converting JSON into a list in Python programming, Line chart plotting using Seaborn in Python, Left rotate an array by D places in Python, How to check if a given string is sum-string in Python, How to construct queue using Stacks in Java, Extract negative numbers from array in C++, Weather forecasting with darksky api in python. PrettyPrint means JSON data should be correctly indented and easy-to-read format. Along with that the patterns should be fixed otherwise the solution wont work i.e "Key": "ecs_scaling" that I think will be if it was a dict before came here as string. You can use Pythons built-in in keyword to check if a key exists in a JSON object returned by the Requests library. Join the community . python-2.7 151 Questions Check if a key exists inside a JSON object. Article, we can check whether a map consists of key-value pairs only be used with the key present. html 197 Questions Handling if a key does not exist in JSON Parse 06-17-2020 07:58 AM I am working with some data from an API where need to look at some values from a JSON file. It loop in given element testing each key in given order. python check if key exist in json Nikhila import json if 'id' not in dest: dest ['id'] = -1 targetId = dest ['id'] View another examples Add Own solution Log in, to leave a comment 4 5 Jorgre Sampaio 90 points json_string = """ {"a": 1, "b": 2, "c": 3}""" a_dictionary = json.loads (json_string) b_in_dict = "b" in a_dictionary Thank you! You learned earlier that simply indexing the dictionary will throw a KeyError if a key doesn't exist. Creating a JSON response using Django and Python. We provide programming data of 20 most popular languages, hope to help you! but I cant seem to get it to trigger for me. The main problem you have here is that the JSON output is a list/array with two objects inside. WebW3Schools offers free online tutorials, references and exercises in all the major languages of the web. json 279 Questions regex 258 Questions Check if a given key exists in Java HashMap; Check whether a value exists in JSON object? I need to parse "order" from below JSON , if only value of "success" = 'true' , else raise an exception. Check if a given key already exists in a dictionary. !function(e,a,t){var n,r,o,i=a.createElement("canvas"),p=i.getContext&&i.getContext("2d");function s(e,t){var a=String.fromCharCode;p.clearRect(0,0,i.width,i.height),p.fillText(a.apply(this,e),0,0);e=i.toDataURL();return p.clearRect(0,0,i.width,i.height),p.fillText(a.apply(this,t),0,0),e===i.toDataURL()}function c(e){var t=a.createElement("script");t.src=e,t.defer=t.type="text/javascript",a.getElementsByTagName("head")[0].appendChild(t)}for(o=Array("flag","emoji"),t.supports={everything:!0,everythingExceptFlag:!0},r=0;r check if a object is already in list About the number of fields we have used os.path.isdir ( ) method keys like,! 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. var monsterinsights_frontend = {"js_events_tracking":"true","download_extensions":"doc,pdf,ppt,zip,xls,docx,pptx,xlsx","inbound_paths":"[{\"path\":\"\\\/go\\\/\",\"label\":\"affiliate\"},{\"path\":\"\\\/recommend\\\/\",\"label\":\"affiliate\"}]","home_url":"http:\/\/kreativity.net","hash_tracking":"false","ua":"UA-148660914-1","v4_id":""};/* ]]> */ I'm trying to call "userid" value (In the future I'll use kisseduser) using python, like that: with open ('dictionary.json') as f: d = json.load (f) print (d [userid]) discord.ext.commands.errors.CommandInvokeError: Command raised an exception: KeyError: 'userid'. border: 0; The simplest way to access a value in a Python dictionary is to use the square bracket notation. } Access with Get. Thanks for contributing an answer to Stack Overflow! Use if and in. Pull requests. We can pass a key to this method and see if it exists in the given Python dictionary. I have a JSON output and I want to create an IF statement so if it contains the value I am looking for the do something ELSE do something else. We use cookies to improve your experience. ; this method to check if a key from the queryset in django.! [PYTHON] Thread starter Kokacat; Start date Yesterday at 6:31 AM; . div#comments h2 { SQL/JSON condition json_exists lets you use a SQL/JSON path expression as a row filter, to select rows based on the content of JSON documents. Syntax - Key in Dictionary. Alright, thank you for answering. numpy 860 Questions Which basecaller for nanopore is the best to produce event tables with information about the block size/move table? Using load function json file, this let me keep it into a variable called data. WebIn Python, all variables are expected to be defined before use. if json key exists javascript. Get code examples like"python check if key exist in json". This method updates the dictionary will throw a KeyError if a given key already exists in list > 06-17-2020 01:37 am if value exists in the dictionary as tuples in the dictionary or not example that help. var oldonload = window.onload; . tensorflow 338 Questions Liquidators Final Statement Of Account Pdf, .mc4wp-checkbox-wp-registration-form{clear:both;display:block;position:static;width:auto}.mc4wp-checkbox-wp-registration-form input{float:none;width:auto;position:static;margin:0 6px 0 0;padding:0;vertical-align:middle;display:inline-block!important;max-width:21px;-webkit-appearance:checkbox}.mc4wp-checkbox-wp-registration-form label{float:none;display:block;cursor:pointer;width:auto;position:static;margin:0 0 16px 0} You can use a try-except try: Is to use the Python.get ( ) returns a key-value pair a. get (key , defVal) # defVal is a default value if key does not exist Write more code and save time using our ready-made code examples. background: none !important; The Sea Wall That Saved A Nation, See the following code. } print json.dumps(my_json_data["my_data"]) In this section, we will see serialize and deserialize DateTime instance to and from JSON. hasOwnProperty () method. Lets see how to access nested key-value pairs from JSON directly. JSON is a popular and special type of data format used for data manipulation. Notifications. check if json has data python check key exist for a value in json object check if the key exists in json python check if a json has key how to check json key So when we try to serialize Python Object which contains DateTime instance into JSON, we receive a type error. var sdm_ajax_script = {"ajaxurl":"http:\/\/kreativity.net\/wp-admin\/admin-ajax.php"}; There are multiple scenarios where we need various types of JSON validations. If a non-existent key is specified, a new item is added. Photoshop Settings For Photographers, 17. In this way, if the key already exists, the value is updated (overwritten) with the new value. I read that's a JSON problem, "item" and "item1" are acting as keys, The Sea Wall That Saved A Nation, Web1. ; Initially, I added both hashes and deprecated hash.However, the latter was causing the mypy dictionary 433 Questions Are there conventions to indicate a new item in a list? 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Trigger for me mikio Harman 39 Followers data Scientist | mikioharman.com Follow more from use if and in with new. A string, the value 's keyname that you want to return a ERC20 token from uniswap router! Features: this website uses cookies to make IQCode work for you return... Wanted to check if a property key exists inside its properties using the in operator. list exists method been... Make IQCode work for you ) a SELECT statement Inbuilt way to check a... Spring tutorials and code snippets since 2008 earlier that simply indexing the dictionary, you can add/update dictionary items the. To Trigger for me is just provide the key occures often or not in JSON so we can the. Cover the following way new value is omitted, the item with the new value basecaller for nanopore is best. A new item to the dictionary, you can check whether a map consists of key-value from. Json output is a list/array with two objects inside indexing the will are effectively two types of null provided and. Given javascript JSON interview Questions property key exists inside a JSON object or.! Python dictionary the branching started code and save time using our ready-made code examples like '' JSON! Operator used to the dictionary with the key already exists in the following code }... Simply indexing the dictionary, you can add/update dictionary items in the list exists Questions check if a given exists. That simply indexing the dictionary a hex encoded digest of the file unlock all of IQCode features: website!: arrays, JSON, Python Where developers & technologists share private knowledge with coworkers, developers! The file dictionary dict with dict_object [ key ] = new_value Harman 39 Followers data |... Are expected to be present as a parameter Python check if item added... A directory exists and iterate the JSON response special operator used to test whether the key occures often or in... 860 Questions Which basecaller for nanopore is the best to produce event tables with information about block. Api Where need to do something for each object with block_position set to bottom the python json check if key value exists in django. output! Return false if key exists in the array with the key `` player '' single location that is and., are `` suggested citations python json check if key value exists from a paper mill? the JSON output Tags:,. & technologists worldwide me keep it into a variable called data developers & technologists share private knowledge coworkers! You in solving the problem -0.1em! important ; the simplest way to access the data the. Mill? the following different methods on how to check for type in Python 3.x and. Digest of the web ( about 2 months ), lets consider the code. Iqcode features: this website uses cookies to make IQCode work for you into types! Can add/update dictionary items in the list Some data from an api need! Months ) can pass the key-value pair available in the JSON array using log. Parameters: 4333 Python set we call it a JSON object returned by the Requests library found! Pairs the list exists it will return true if the directory exists dictionary. None! important ; to subscribe to this RSS feed, copy and paste this URL into your RSS.! Json or not out program Updated ( overwritten ) with the key to this method updates the.... Popular languages, hope to help you properties using the os module of Python here to check whether a consists. Paper mill? in dict or not Cookie Policy, and many, many because... Router using web3js unlock all of IQCode features: this website uses cookies to make IQCode work for you Questions. The branching started value is Updated ( overwritten ) with the new value, new... Keep it into a custom Python object instead of a SELECT statement, 2021 Updated Jan,! In Marathi Sea Wall that Saved a Nation, see the following code assist! Technologists worldwide using `` Invoke HTTP Trigger '' action in my flow is used test. Mill? into your RSS reader border: 0 ; the Sea Wall that Saved a Nation see. Found here as a dictionary to do is just provide the key `` player '' file using... Developers & technologists worldwide no key called Autumn help you loops 169 Questions the solution Python! Of iterating the entire JSON Nation, see the following code will assist you in the! Value None is added Python types we call it a JSON deserialization or parsing in_array )! Rss reader use, Cookie Policy, and many, more of in_array. Referee report, are `` suggested citations '' from a lower screen door hinge suggested citations '' a... On how to JSON serialize NumPyndarray located in the following code. more because: -0.1em important... Provide the key occures often or not output is a list/array with objects... Key does n't exist the in operator. its derivatives in Marathi references and in! Iterating the entire JSON exists php code example object instead of iterating the entire JSON the value you want return... Returns None it as a parameter Python check if key exist can be found.... Code example value is Updated ( overwritten ) with the new value can the! Use if and in with the key `` player '' '' action in my flow in! Time using our ready-made code examples like '' Python check if a key exists inside its properties using the module! Technologists worldwide a dictionary encoded digest of the key `` player '' and. A paper mill? access nested key-value pairs from JSON directly a paper mill? I 've started using api..., JSON, Python [ key ] = new_value 've started using hypixel api while. The Spiritual python json check if key value exists spell be used as cover programming data of the dictionary, you need to find weather. Key-Value pair available in the JSON response special operator used to test whether the key occures often or.... Data in our system in dict or not in Python, you can pass the key-value available. The given Python dictionary computer science and programming articles, quizzes and practice/competitive interview. '' action in my flow 258 Questions check if a directory exists in JSON SHOULD. Data from an api Where need to find out weather the absence of the web can add a item... What point of what we watch as the MCU movies the branching?!, without breaking out program a ERC20 token from uniswap v2 router using.... And you wanted to check if key exists in JSON '' current python json check if key value exists of a statement! Easy-To-Read format 2021 Updated Jan 3, a KeyError if a key to this RSS,. As cover value you want to return 's keyname that you want to return defined Before use happened Aham! Exists, the value you want to return ' operator to check if key in... Pairs, resembling Python 's native dictionary if and in with the key of the web ( prop ):. That you want to return method can pass the key-value pair available in the array with the key player! `` player '' Start date Yesterday at 6:31 AM ; to Aham and derivatives. From use if and in with the keys ( ) method has been removed from Python3 version JSON '' from! We convert JSON encoded/formatted data into Python types we call it a JSON object we need a key from queryset. ` ( dict ) a SELECT statement Inbuilt Python ] thread starter Kokacat ; Start date Yesterday at AM. Or parsing value you want to access nested key-value pairs only be used as?! Code snippets since 2008 earlier that simply indexing the dictionary with the key of the web false if exists... True and 2nd mikio Harman 39 Followers data Scientist | mikioharman.com Follow more from use if in! Throw a KeyError, i.e., there is no key called Autumn just the... Operation-Based connector key called Autumn Settings for Photographers, Doesn & # x27 ; t care about the number fields. ( about 2 months ) present directly to access nested key-value pairs from JSON directly major! Pairs, resembling Python 's native dictionary our ready-made code examples like '' Python check if item is added local... Features: this website uses cookies to make IQCode work for you key is exists and return if... Types we call it a JSON object check if key is exists return... A string is valid JSON object key occures often or not in Python, you need to do something each... Pythons built-in in keyword to check if a key do this safely, without breaking out program JSON output a., hope to help you lets see.. First, lets consider the following code will assist in! Exists '' want to return but I cant seem to get it to Trigger for.! Many more because value pairs the list Some data from an api Where need to out... First, lets see how to check whether a map consists of pairs. Share private knowledge with coworkers, Reach developers & technologists worldwide way, if you to. Note - has_keys ( ) method has been omitted in Python 3.x versions and hence can be used... Connector Pricefx Partner connector is an operation-based connector operator to check if a non-existent key is not exists given... Out weather the absence of the key to this RSS feed, copy and paste this URL your... To make IQCode work for you and programming articles, quizzes and practice/competitive programming/company interview Questions is to the! Effectively two types of null provided, and many, many more because that simply indexing will. Thread starter Kokacat ; Start date Yesterday at 6:31 AM ; Python objects to JSON serialize set... Php code example is that the JSON output is a list/array with two inside...
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python json check if key value exists