diy.py
876 Bytes
# 写入同学们的捐赠明细:'小兰:12本'、'小丽:11本'、'李文:9本'、'张伟:16本'
# file1=open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')
# file1.write('小兰:12本''小丽:11本''李文:9本''张伟:16本')
# file1.write('小强:10本\n')
# file1.write('李明:15本\n')
# file1.close()
new_i=''
with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file1:
# file1.write('小兰:12本\n')
# a=file1.read()i:
# print(a)
for i in file1:
if '小强:10本' in i:
# print("数据有了")
i=i.replace('小强:10本','小强:11本')
new_i+=i
# if '小兰:12本' in i:
# print("数据有了")
with open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8') as file1:
file1.write(new_i)