set default python
newDict = {1:"One", 2:"Two", 3:"Three"} x=newDict.setdefault(4,"Four") print(newDict[4]) #returns Four newDict2 = {1:"One", 2:"Two", 3:"Three", "Hello":"World"} y=newDict.setdefault("Hello","Yellow") print(newDict2["Hello"]) #returns World dict1 = {1:"One",2:"Two"} x=dict1.setdefault(3,"Three") x=dict1.setdefault(2,"Duo") print(dict1) #prints {1: 'One', 2: 'Two', 3: 'Three'} #Therefore if value doesn't exist it is given default value, else value of key is returned.
