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'
+new_data=''
+with open(r"C:\Users\百思01\Desktop\test.txt","r",encoding='utf-8')as file1:
+    for data in file1:
+        if '小兰：12本' in data:
+            data=data.replace('小兰：12本','小兰：13本')
+        new_data+=data
+with open(r"C:\Users\百思01\Desktop\test.txt","w",encoding='utf-8')as file1:
+    file1.write(new_data)
+print(new_data)
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