for python 3 code example

Example 1: python loop certain number of times

# To loop n times, use loop over range(n)
for i in range(n):
  # Do something

Example 2: python for loop

words=['zero','one','two']
for operator, word in enumerate(words):
	print(word, operator)

Example 3: for loop example python 3

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