python dictionary get value if key exists
val = dict.get(key , defVal) # defVal is a default value if key does not existpython dictionary get value if key exists
val = dict.get(key , defVal) # defVal is a default value if key does not existcheck if key exists in sesison python
# Check if key exists
if session.get("key") == None:
# Do something if it doesnt exist
else:
# Do something else if it does existhow to check if a key is present in python dictionary
dict = { "How":1,"you":2,"like":3,"this":4}
key = "this"
if key in dict.keys():
print("present")
print("value =",dict[key])
else:
print("Not present")Copyright © 2021 Codeinu
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