loop over these numbers 1 1 1 2 2 2 3 3 3 4 4 4 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 javascript code example

Example 1: python for loop range

for i in range(0, 3):
    print(i)

Example 2: for loop example python 3

for num in nums:
     for letter in 'abs':
         print(num, letter)