xuesn 发表于 2018-8-8 10:01:55

python案例-for循环

  编写一个程序,让用户输入3个数字:(f)rom,(t)o和(i)ncrement。以i为步长,从f计数到t,包括f和t。例如,如果输入的是f = 2,t = 26,i = 4,程序将输出2,6,10,14,18,22,26。
  #!/usr/bin/env python
  #coding=utf-8
  for i in range(2,30,4):
  print i,
  f=int(raw_input("please input From:"))
  t=int(raw_input("please input To:"))
  i=int(raw_input("plese input I:"))
  for num in range(f,t ,i):
  print num,
  执行:
  # python for.py
  2 6 10 14 18 22 26 please input From:2
  please input To:40
  plese input I:4
  2 6 10 14 18 22 26 30 34 38
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