Accessing the Index in a ‘for’ Loops

The most straightforward answer to this is to use an enumerate class. A built-in class called enumerate accepts an iterable object as input and outputs an object that may be typecast into a list of tuples.
The syntax for the enumerate is as follows:

enumerate([“Apple”, “Orange”, “Mango”])

[(0,”Apple”), (1,”Orange”), (2, “Mango”)]

So enumerate will give us a two dimensional (index, element) list and as we already know, using a for loop in Python, we can iterate through multidimensional lists as seen below.

fruits = [“Apple”, “Orange”, “Mango”]
for index, fruit in enumerate(fruits):
    print(index, fruit)

Note: A further input argument called ‘start’ can be passed to enumerate. Start allows us to choose from where the index value should begin.

enumerate([“Apple”, “Orange”, “Mango”], start=5)

[(5,”Apple”), (6,”Orange”), (7, “Mango”)]

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