Question

How to using none as a default function parameter value in Python

Answer 1

def details(name=None, age=None):
    print(name)
    print(age)


details()




'''
run:

None
None

'''

 

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Answer 2

def details(name=None, age=None):
    print(name)
    print(age)


details('Am')




'''
run:

Am
None

'''

 

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Answer 3

def details(name=None, age=None):
    print(name)
    print(age)


details('Am', 49)




'''
run:

Am
49

'''

 

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