python for and while loop examples

Python has the for in syntax for for loop.

#! /usr/bin/env python

print "Using for loop to print each letter from a string:"
for letter in "Python":
    print letter


print "Using for loop to print the array elements:"
names = ["Amy","Ben","Carl"]
for a in names:
	print a

print "Using for loop and using the array index to print array elements:"
fruits = ['apple', 'banana',  'cherry']
for index in range(len(fruits)):
   print fruits[index]


print "while loop:"
a = 0
while a < 5:
    a = a + 1
    print "Loop: ", a

Output:

Using for loop to print each letter from a string:
P
y
t
h
o
n
Using for loop to print the array elements:
Amy
Ben
Carl
Using for loop and using the array index to print array elements:
apple
banana
cherry
while loop:
Loop:  1
Loop:  2
Loop:  3
Loop:  4
Loop:  5