cycle on object and index code example

Example 1: python access index in for loop

for index, item in enumerate(items):
    print(index, item)

#if you want to start from 1 instead of 0
for count, item in enumerate(items, start=1):
    print(count, item)

Example 2: for of array javascript

let colors = ['red', 'green', 'blue'];
for (const color of colors){
    console.log(color);
}