Write a Python function that checks if a given key exists in a dictionary. If the key exists, return True, otherwise, return False.
Example 1:
Input: {"a": 1, "b": 2, "c": 3}, "a"
Output: True
Example 2:
Input: {"a": 1, "b": 2, "c": 3}, "d"
Output: False
Use the ‘in’ keyword to check if a key exists in a dictionary.
def check_key(dict, key):
return key in dict
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