save project

diy.py

 # 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'
 # 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'
-with open(r'D:\123.txt','w',encoding='utf-8') as file1:
+new_data=' '
+with open(r'C:\Users\刘龙佳\Desktop\123.txt','w',encoding='utf-8') as file1:
    for data in file1:
    for data in file1:
       if '小强: 10本' in data:
       if '小强: 10本' in data:
-          print('文件中')
+         data=data.replace('小强: 10','小强: 11')
       if '小兰: 12本' in data:
       if '小兰: 12本' in data:
-          print('文件中')
+         data=data.replace('小兰: 12','小兰: 14')
+      new_data +=data
+
+with open(r'C:\Users\刘龙佳\Desktop\123.txt','w',encoding='utf-8') as file1:
+   file1.write(new_data)
+with open(r'C:\Users\刘龙佳\Desktop\123.txt','r',encoding='utf-8') as file1:
+   a=file1.read()
+   print(a)
+
+