Defaultdict key exists

'in' is the intended way to test for the existence of a key in a dict.

d = {"key1": 10, "key2": 23}

if "key1" in d:
    print("this will execute")

if "nonexistent key" in d:
    print("this will not")

Source: stackoverflow.com

Similar codes

0 vote234 views1 answer
Staticmethod vs classmethod python
Python
9 votes176 views2 answers
Python not in list
Python
2 votes170 views1 answer
Get cell pandas
Python
17 votes242 views6 answers
Django model
Python Django
0 vote178 views1 answer
How long is the pyautogui script
Python
0 vote190 views1 answer
Django http response 204
Python
0 vote179 views1 answer
Convert the below Series to pandas datetime : DoB = pd.Series(["07Sep59","01Jan55","15Dec47","11Jul42"])
Python
0 vote252 views1 answer
Tkiner lable
Python
3 votes135 views1 answer
Exp in python
Python
0 vote185 views1 answer
How to let someone select a folder in python
Python