args and kwargs in python

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I know as what is *args used for but i am not sure about **kwargs

Jul 20, 2018 in Python by eatcodesleeprepeat
• 4,710 points
778 views

1 answer to this question.

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In cases when we don’t know how many arguments will be passed to a function, like when we want to pass a list or a tuple of values, we use *args.

  1. >>> def func(*args):

  2.   for i in args:

  3.       print(i)

  4. >>> func(3,2,1,4,7)

3

2

1

4

7

**kwargs takes keyword arguments when we don’t know how many there will be.

  1. >>> def func(**kwargs):

  2.   for i in kwargs:

  3.       print(i,kwargs[i])

  4. >>> func(a=1,b=2,c=7)

a.1

b.2

c.7

The words args and kwargs are convention, and we can use anything in their place.

answered Jul 20, 2018 by Priyaj
• 58,100 points

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