arrays

Python: check if item or value exists in list or array

Introduction

Sometimes we need to know if an element or value is within a list or array in Python.

There may be a need to simply know if it exists, but it is also possible that we need to obtain the position of an element, that is, its index.

Today we will see how to do it in Python, to check if an element exists in array, as well as to obtain the index of a certain value.

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