1,现在有一份‘邀请函.txt’的空白文件,请在同级目录下编写一段代码,写入内容‘诚挚邀请您来参加本次宴会’。
with open(f'G:\study\Python\邀请函.txt',mode='w',encoding='utf-8') as y:
y.write('诚挚邀请您来参加本次宴会')
效果图如下:
2,在第一题的基础上,添加上问候语和发件人,内容是’best regards 李雷’,让内容是:
诚挚邀请您来参加本次宴会。
best regards
李雷
with open(f'G:\study\Python\邀请函.txt',mode='w',encoding='utf-8') as y:
y.write('诚挚邀请您来参加本次宴会。\nbest regards\n李雷')
效果图如下:
3,在第二题的基础上,这封邮件需要发送给‘丁一’、‘王美丽’、‘韩梅梅’三位朋友,请在邮件内容开头处添加收件人名字,并且生成相应名字的邮件。邮件内容应该为:
丁一:
诚挚邀请您来参加本次宴会
best regards
李雷
文件名为: 朋友姓名
邀请函.txt
intimates = ['丁一','王美丽','韩梅梅']
with open('G:\study\Python\邀请函.txt',mode='r',encoding='utf-8') as y:
includes = y.read()
for intimate in intimates:
with open('G:\study\Python\%s邀请函.txt'%intimate,mode='w',encoding='utf-8') as yy:
yy.write('%s:\n'%intimate)
yy.write(includes)
效果图如下:
4,使用嵌套循环实现九九乘法表,并将乘法表的内容写入到txt文件中。
with open('G:\study\Python\99乘法表.txt',mode='w',encoding='utf-8') as yy:
for i in range(1,10):
for j in range(1,i+1):
yy.write('%d×%d=%-2d '%(i,j,i*j))
yy.write('\n')
效果图如下:
5,把记事本文件test.txt转换城Excel2007+文件。假设test.txt文件中第一行为表头,从第二行开始为实际数据,并且表头和数据行中的不同字段信息都是用逗号分隔。
from openpyxl import Workbook
def main(txtFileName):
new_XlsxFileName = txtFileName[:-3] + 'xlsx'
wb=Workbook()
ws=wb.worksheets[0]
with open(txtFileName,mode='r',encoding='utf-8') as y:
for line in y:
line = line.strip().split(',')
ws.append(line)
wb.save(new_XlsxFileName)
main('G:\\study\\Python\\excel.txt')
效果图如下:
6,编写程序,检查D:\文件夹及其子文件夹中是否存在一个名为temp.txt的文件。
from os import listdir
from os.path import join,isdir
def search(directory,fileName):
dirs = [directory]
print(dirs)
while(dirs):
current = dirs.pop(0)
print(current)
print(listdir(current))
for subPath in listdir(current):
if subPath == fileName:
return True
path = join(current,subPath)
if isdir(path):
dirs.append(path)
return False
print(search('G:\\study\\Python','excel.txt'))
效果图如下: