how to check if a key is in python code example

Example 1: python check if key exists

# You can use 'in' on a dictionary to check if a key exists
d = {"key1": 10, "key2": 23}
"key1" in d
# Output:
# True

Example 2: check if dict key contains specific key and value

if (key, value) in d.items():
	print("yes")