Python includes exercises 29
Topic: no more than five to a positive integer, requirements: First, it is seeking few, two, reverse print out the digits.
Program analysis: learn decompose each digit.
Source Code:
#!/usr/bin/python # -*- coding: UTF-8 -*- x = int(raw_input("请输入一个数:\n")) a = x / 10000 b = x % 10000 / 1000 c = x % 1000 / 100 d = x % 100 / 10 e = x % 10 if a != 0: print "5 位数:",e,d,c,b,a elif b != 0: print "4 位数:",e,d,c,b, elif c != 0: print "3 位数:",e,d,c elif d != 0: print "2 位数:",e,d else: print "1 位数:",e
The above example output is:
请输入一个数: 23459 5 位数: 9 5 4 3 2
请输入一个数: 3472 4 位数: 2 7 4 3