query: How can I check if a key exists in a dictionary?
positive_passages.docid: 15235
positive_passages.text: Check if a given key already exists in a dictionary
negative_passages.docid: 58718
negative_passages.text: Is it possible to assign the same value to multiple keys in a dict object at once?
negative_passages.docid: 17040
negative_passages.text: Check if an array is empty or exists
negative_passages.docid: 157654
negative_passages.text: Checking if a key exists in a JavaScript object?
negative_passages.docid: 8719
negative_passages.text: What is the best way to iterate over a dictionary?
negative_passages.docid: 64643
negative_passages.text: Pythonic way of checking if a condition holds for any element of a list
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negative_passages.text: Using a dictionary to count the items in a list
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negative_passages.text: How to verify in Javascript Object Model if a List Exists
negative_passages.docid: 137138
negative_passages.text: How to check if an array element exists?
negative_passages.docid: 83047
negative_passages.text: Implementing a dictionary data structure
negative_passages.docid: 82920
negative_passages.text: Accessing dict_keys element by index in Python3
negative_passages.docid: 21050
negative_passages.text: Test for existence of nested JavaScript object key
negative_passages.docid: 61752
negative_passages.text: What's the difference between isset() and array_key_exists()?
negative_passages.docid: 99162
negative_passages.text: Ruby Style: How to check whether a nested hash element exists
negative_passages.docid: 123009
negative_passages.text: How to implement searching of a string in an array of dictionaries?
negative_passages.docid: 7649
negative_passages.text: Is there a recursive version of the dict.get() built-in?
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negative_passages.text: Python dictionary keys. "In" complexity