In this article we will discuss different ways to iterate over a list.

Iterate over the list using for-in loop

Its easies solution to iterate over the list i.e.

Output

Iterate over the list using while loop

  • Fist get the size of list
  • Then iterate using while loop from 0 to len(list) – 1
  • In each iteration access iTh element

Output:

It has an advantage as compared to for-in loop. In each iteration, we know the index too. So, suppose if we want to iterate over the elements at odd number position only. Then with while loop we can do that i.e.

Output:

Iterate over the list using for loop and range()

It too provides the access to index while iterating i.e.

Output:

Iterate over the list using List Comprehension

Its a single line solution i.e.

Output

 

Complete example is as follows,

Output:

 

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