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")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")dictionary default value python if key not found
value = d.get(key, "Default value")
if key not found in dictonary ,it will return default valueCopyright © 2021 Codeinu
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