Answers for "setdefault in python"

5

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.
Posted by: Guest on September-18-2020
0

setdefault python

manga_names = {}
with open('manga_list.txt', 'r') as file:
    manga = file.readline()
    file.readline()
    manga_names.setdefault(manga, 0)
    manga_names[manga] += 1
Posted by: Guest on August-31-2021

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