for loop for length of list python code example

Example 1: how to iterate over a list in python

# Python list
my_list = [1, 2, 3]

# Python automatically create an item for you in the for loop
for item in my_list:
  print(item)

Example 2: python for loop index

# Creates two variables; An index (num), and the value at that index (line)
for num, line in enumerate(lines):
    print("{0:03d}: {}".format(num, line))