python iterate with index

items=['baseball','basketball','football']
for index, item in enumerate(items):
    print(index, item)

colors = ["red", "green", "blue", "purple"]

for i in range(len(colors)):
    print(colors[i])

# 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))

for index, item in enumerate(iterable, start=1):
   print index, item