auto save

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\Administrator\Desktop\test.txt","r",encoding="utf-8") as file1:
+    #a=file1.read()
+    #print(a)
+    for data in file1:
+        if "秦始皇：989899本" in data:
+            data=data.replace("秦始皇：989899本","秦始皇3本")
+        new_data+=data
+with open(r"C:\Users\Administrator\Desktop\test.txt","w",encoding="utf-8") as file1:
+    file1.write(new_data)
+            
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