1楼:匿名用户
^^#!/usr/bin/env python#-*- coding: utf-8 -*-from __future__ import with_statement
import re
values = {}
lines =
txt_file = 'data.txt'
out_file = 'result.txt'
data_re = re.***pile(ur'^(\w)\^(\w)\s+.+?\s+(.+?)\s*$')
with open(txt_file, 'ru') as f:
for line in f:
if '^' in line:
temp = data_re.findall(line)if temp != :
name1, name2 = temp[0][:2]if name1 != name2:
value = float(temp[0][-1])name = '%s^%s' % (name1, name2)if name not in values or values[name] < value:
values[name] = value
lines.insert(0, line.strip())with open(out_file, 'w') as f:
f.write('\n'.join(lines[:3]))
python编程题 30
2楼:
defformatit(x):
ifisinstance(x,int):
x=str(x)
return(''+x)[-2:]
defmain():
title=['s','m','t','w','th','f','s']
days=eval(input('enternumberofdays:'))
firstday=input('thefirstdayoftheweek:')
fd=title.index(firstday)
wts=
wt=['','','','','','','']#一个星期的模板
foriinrange(days):
wt[(i+fd)%7]=i+1
if(i+fd)%7==6:#如果满一个星期,
python较难编程题目 求大神 求源** 必有重谢
3楼:匿名用户
实现这些功能你觉得你能提供多大的报酬呢?
一道python题 求大神回答 感激不尽 10
4楼:匿名用户
deflink_zip(s,t):
p=pairnode(s.a,t.a,none)s1,t1,p1=s.nxt,t.nxt,p.nxtwhiles1andt1:
p1=pairnode(s1.a,t1.a,none)s1,t1,p1=s1.nxt,t1.nxt,p1.nxt
python基础,问题,跪求大神,感激不尽
5楼:大话残剑
输入部分e68a8462616964757a686964616f31333337616462
#-*-coding:utf8-*-
x=input("givemeoneof1,2or3:")
whiletrue:
ifx=='1'orx=='2'orx=='3':
break
print("invalidinput:"+x)
x=input("givemeoneof1,2or3:")
输入1、2、3,合计必须是25
#-*-coding:utf8-*-
sum=0
whiletrue:
x=input("givemeoneof1,2or3:")
ifx=='1'orx=='2'orx=='3':
ifsum+int(x)<=25:
sum+=int(x)
print("totalis"+str(sum))
ifsum==25:
break
else:
print("invalidinput:"+x)
执行结果
give me one of 1,2 or 3:5
invalid input: 5
give me one of 1,2 or 3:a
invalid input: a
give me one of 1,2 or 3:3
total is 3
give me one of 1,2 or 3:3
total is 6
give me one of 1,2 or 3:3
total is 9
give me one of 1,2 or 3:3
3total is 12
give me one of 1,2 or 3:
total is 15
give me one of 1,2 or 3:3
total is 18
give me one of 1,2 or 3:3
total is 21
give me one of 1,2 or 3:3
total is 24
give me one of 1,2 or 3:3
total is 24
give me one of 1,2 or 3:2
total is 24
give me one of 1,2 or 3:1
total is 25
求大神帮忙用python设计一个程序
6楼:
[项目计划]
第一周完成:
选题任务描述(程序的主要用途功能)
设计思路专描述
涵盖的主要知识点属
7楼:匿名用户
有递归,我感兴趣.
来嘛小妞,先开价
python编程题,大神速来,基础性题目,没学过的我不会,望大神给个小程序
8楼:冷叶忆雪
#-*-coding:gbk-*-from__future__importprint_function
defreverse_num(num):
print('输出:',end='')
if(num<0):
print('-',end='')
num=-num;
print_zero=false
whilenum>0:
ifprint_zero==true:
print(num%10,end='')elifnum%10!=0:
print_zero=true
print(num%10,end='')num/=10
print()
if__name__=='__main__':
num=int(raw_input('输入'))reverse_num(num)
求大神解释python的一段程序
9楼:
arr = # 初始化一来
个列表f = open(database) # 打开database文件
for line in f: # 从打开的文源件中逐行bai读取
temp = line.split(",") # 将读到的行按du","拆分为一个列表
mark = int(temp[9]) # 将拆zhi分的列表第
10楼:夜滔滔
用数组就可以做到了,二维数组
11楼:匿名用户
回去自己看看书吧,很简单的
请大神指教这道c语言的编程题目,一道c语言编程题,求大神指教!
1楼 string h是字符串库函数,当要引用字符串函数时,比如,strlen sizeof等函数时就必须要用string h库函数。 此题是计算现有字符串的长度和总长度,答案是 4,10,第一个4表示只有4个字符 a b c d 后面的10表示数组总长为10。 2楼 匿名用户 去k资讯看看吧!!!...