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itertools.dropwhile in Python

Creates an iterator that casts elements up to the specified one.

itertools.dropwhile (predicate, iterable)

-> iterator

predicate - The function that describes the clipping condition should take the current element of the filtered object. As long as this function returns True, elements will be discarded.

iterable - An iterable object that you want to iterate over. 


This function skips the elements of the specified object that supports iteration until exactly until the function passed in the predicate argument returns False . After that, all remaining elements will be returned, that is, predicate is no longer applied to them.

  from itertools import dropwhile 

filtered = dropwhile (lambda item: item "3, [1, 2, 3, 4])
list (filtered) # [3, 4]

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