老男孩python学习阶段性作业双色球选购

作业：双色球选购

1 双色球（假设一共八个球，6个红球，球号1-32、2个蓝球，球号1-16）
2 确保用户不能重复选择，不能超出范围
3 用户输入有误时有相应的错误提示
4 最后展示用户选择的双色球的号码

第一次提交代码：

#! /user/bin/env python
# -*- coding:utf-8 -*-
print('Welcome to 小猿圈 lottery station')
redcount = 1
redlist = []
while redcount<=6:
    redball = input('[%s] Select red ball:'%(redcount))
    if (int(redball)<1 or int(redball)>32):
        print('only can  select n between 1-32')
    elif(int(redball) in redlist):
        print('number %s is already exsit in red ball list' %(redball))
    else:
        redlist.append(int(redball))
        redcount = redcount + 1
bluecount = 1
bluelist = []
while bluecount<=2:
    blueball = input('[%s] Select blue ball:'%(bluecount))
    if (int(blueball) < 1 or int(blueball) > 16):
        print('only can  select n between 1-16')
    elif(int(blueball) in bluelist):
        print('number %s is already exsit in blue ball list' %(blueball))
    else:
        bluelist.append(int(blueball))
        bluecount = bluecount + 1
print('''Red ball: %s 
Blue ball:%s
Good Luck.
''' %(redlist,bluelist,))

第二次提交代码：

#! /user/bin/env python
# -*- coding:utf-8 -*-
print('Welcome to 小猿圈 lottery station')
count = 1
red_count = 1
blue_count = 1
red_list = []
blue_list = []
while count <= 8:
    if red_count <= 6:
        red_ball = input('[%s] Select red ball:' % (red_count,))
        if red_ball.isdigit():
            red_ball = int(red_ball)
            if red_ball < 1 or red_ball > 32:
                print('only can  select n between 1-32')
            elif red_ball in red_list:
                print('number %s is already exist in red ball list' % (red_ball,))
            else:
                red_list.append(red_ball)
                red_count += 1
                count += 1
        else:
            print('请输入数字')
            continue
    else:
        if blue_count <= 2:
            blue_ball = input('[%s] Select blue ball:' % (blue_count,))
            if blue_ball.isdigit():
                blue_ball = int(blue_ball)
                if blue_ball < 1 or blue_ball > 16:
                    print('only can  select n between 1-16')
                elif blue_ball in blue_list:
                    print('number %s is already exist in blue ball list' % (blue_ball,))
                else:
                    blue_list.append(blue_ball)
                    blue_count += 1
                    count += 1
            else:
                print('请输入数字')
                continue
print('''Red ball: %s 
Blue ball:%s
Good Luck.
''' % (red_list, blue_list,))

最终版

#! /user/bin/env python
# -*- coding:utf-8 -*-
print('Welcome to 小猿圈 lottery station')
red_count = 1
blue_count = 1
red_list = []
blue_list = []
while True:
    if red_count <= 6:
        red_ball = input('[%s] Select red ball:' % (red_count,))
        if red_ball.isdigit():
            red_ball = int(red_ball)
            if red_ball < 1 or red_ball > 32:
                print('only can  select n between 1-32')
            elif red_ball in red_list:
                print('number %s is already exist in red ball list' % (red_ball,))
            else:
                red_list.append(red_ball)
                red_count += 1
        else:
            print('请输入数字')
            continue
    else:
        if blue_count <= 2:
            blue_ball = input('[%s] Select blue ball:' % (blue_count,))
            if blue_ball.isdigit():
                blue_ball = int(blue_ball)
                if blue_ball < 1 or blue_ball > 16:
                    print('only can  select n between 1-16')
                elif blue_ball in blue_list:
                    print('number %s is already exist in blue ball list' % (blue_ball,))
                else:
                    blue_list.append(blue_ball)
                    blue_count += 1
            else:
                print('请输入数字')
                continue
        else:
            break
print('''Red ball: %s 
Blue ball:%s
Good Luck.
''' % (red_list, blue_list,))