YouTipPython Exercise Example29
# Python2.x Python Exercise Instance 29
[ Python 100 Examples](#)
**Question:** Given a positive integer with no more than 5 digits, requirements: 1. Find how many digits it has, 2. Print the digits in reverse order.
**Program Analysis:** Learn to decompose each digit.
Program source code:
## Instance(Python2.x)
```python
#!/usr/bin/python
# -*- coding: UTF-8 -*-
x = int(raw_input("Please enter a number:n"))
a = x / 10000
b = x % 10000 / 1000
c = x % 1000 / 100
d = x % 100 / 10
e = x % 10
if a != 0:
print "5 Number of digits:",e,d,c,b,a
elif b != 0:
print "4