python for in array with index code example

Example 1: python iterate with index

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

Example 2: iterate array python with index

for header, rows in zip(headers, columns):
    print("{}: {}".format(header, ", ".join(rows)))

Example 3: python for loop array index

colors = ["red", "green", "blue", "purple"]
i = 0
while i < len(colors):
    print(colors[i])
    i += 1