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\Administrator\Desktop\kqk.txt","r",encoding="utf-8") as file2:
+    # file2.write('小兰：12本,小丽：11本,李文：9本,张伟：16本')
+    # file2.write('小兰：12本')
+    for data in file2:
+        if "小强：10本" in data:
+            data=data.replace("小强：10本","小强：11本")
+        if "小兰：12本" in data:
+            data=data.replace("小兰：12本","小兰：14本")
+    new_data+=data  
+with open(r"C:\Users\Administrator\Desktop\book.txt","w",encoding="utf-8") as  file2:
+   file2.write(new_data)
+with open(r"C:\Users\Administrator\Desktop\book.txt","r",encoding="utf-8") as  file2:
+    a=file2.read()
+    print(a) 
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