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Commit be815618 authored 2 years ago by BellCodeEditor's avatar BellCodeEditor
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parent 7452a63f
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Showing with 15 additions and 4 deletions
  • diy.py
diy.py
View file @ be815618
...@@ -4,6 +4,17 @@ file1.write('小丽:11本\n') ...@@ -4,6 +4,17 @@ file1.write('小丽:11本\n')
file1.write('李文:9本\n') file1.write('李文:9本\n')
file1.write('张伟:16本\n') file1.write('张伟:16本\n')
file1.close() file1.close()
with open('C:\Users\HP\Desktop\bell\文件读写\book.txt','a',encoding='utf-8') as file1: with open(r'C:\Users\HP\Desktop\bell\文件读写\book.txt','a',encoding='utf-8')as file1:
    file1.write('小强:12本\n') file1.write('小强:12本\n')
    file1.write('李明:11本\n') file1.write('李明:10本\n')
\ No newline at end of file with open(r'C:\Users\HP\Desktop\bell\文件读写\book.txt','r',encoding='utf-8')as file1:
for data in file1:
print(data)
new_data=''
with open(r'C:\Users\HP\Desktop\bell\文件读写\book.txt','r',encoding='utf-8') as file1:
    for data in file1:
        if '小强:12本\n' in data:
            data=data.replace('小强:12本\n','小强:10本\n')
        new_data +=data
with open(r'C:\Users\HP\Desktop\bell\文件读写\book.txt','w',encoding='utf-8') as file1:
    file.write(new_data)
\ No newline at end of file
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