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Python lambda and map

 ·  ☕ 4 min read  ·  👻 Elaine
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Python Lambda And Map

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Python Lambda And Map

The function is called with a lambda function and a list and a new list is returned which contains all the lambda modified items returned by that function for each item. We defined a function using lambda that takes two parameters x and y. 1) function and 2) any number of iterable objects (list, dictionary).

Python Lambda And Map Python Lambda (Anonymous) Function
Python Lambda (Anonymous) Function from www.programiz.com

In the first map example above, we created a function, called square, so that map would have a function to apply to the sequence. Lambda, map() and filter() are still part of core python. The lambda feature was added to python due to the demand from lisp programmers.

We start with the lambda function, and then we discuss the map() function in python.

Let us take a look at an example. Used map because a and b are the lists. The python lambda function is invoked without any argument on line 7, and it uses the default value n set at definition time. X = lambda a, b :

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