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bellcode / lesson12-4

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  • lesson12-4
  • diy.py
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  • BellCodeEditor's avatar
    save project · 32b5dd1a
    BellCodeEditor committed a year ago
    32b5dd1a
diy.py 1.17 KB
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# 写入同学们的捐赠明细:'小兰:12本'、'小丽:11本'、'李文:9本'、'c'
# filter=open(r'C:\Users\Administrator\Desktop\andong.txt',"w",encoding="utf-8")
# filter.write('小兰:12本\n')
# filter.write('小丽:11本\n')
# filter.write('李文:9本\n')
# filter.write('张伟: 16本\n')
# filter.close()
# filter=open(r'C:\Users\Administrator\Desktop\andong.txt',"a",encoding="utf-8")
# filter.write('小强:10本\n')
# filter.write('李明:15本\n')
# filter.close()
# with open(r'C:\Users\Administrator\Desktop\andong.txt',"r",encoding="utf-8")as filter:
#     for data in filter:
#         if '小强:10本\n' in data:   
#             print('小强数据在文中')
#         if '李明:15本\n' in data:   
#             print('李明数据在文中')
#         new_data+=data
new_data=''
with open(r'C:\Users\Administrator\Desktop\andong.txt',"r",encoding="utf-8")as filter:
    for data in filter:   
        if '小兰:12本\n' in data:   
            data=data.replace('小兰:12本','小兰:14本')
        new_data+=data

with open(r'C:\Users\Administrator\Desktop\andong.txt',"w",encoding="utf-8")as filter:
    filter.write(new_data)