python之linux下pdb试调

#!/usr/bin/env python
# coding: utf-8
__author__ = 'www.py3study.com'
import time
import os
def getlist():
    #构建一个纯数字列表
    numlist = []
    num = 'q'
    while num:
        os.system('clear')
        print(numlist)
        print(u'结束构建列表，请按回车')
        num = input('请输入一个整数:')
        if num == '':
            break
        try:
            num = int(num)
        except ValueError:
            print(u'要求输入一个整数，请重新输入')
            time.sleep(1)
            continue
        numlist.append(num)
    return numlist

def getmaxnum(List):
    #获取列表中的最大值
    num = List[0]
    for i in List[1:]:
        if num <= i:
            num = i
    return num

def getminnum(List):
    #获取列表中的最小值
    num = List[0]
    for i in List[1:]:
        if num >= i:
            num = i
    return num

if __name__ == '__main__':
    numlist = getlist()
    maxnum = getmaxnum(numlist)
    print(u'列表中最大值为:{}'.format(maxnum))
    minnum = getminnum(numlist)
    print(u'列表中最小值为:{}'.format(minnum))