How to Check if a Key Exists in a Python Dictionary?
To check if a key exists in a python dictionary, use the in operator:
d = {"k": True}
if "k" in d:
print("YES") # Will print YES
if "j" in d:
print("YES") # Will not execute
To check if a key exists in a python dictionary, use the in operator:
d = {"k": True}
if "k" in d:
print("YES") # Will print YES
if "j" in d:
print("YES") # Will not execute