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'
+jzeng=open(r"C:\Users\Administrator\Desktop\l.txt","w",encoding="utf-8")
+jzeng.write("小兰：12本\n")
+jzeng.close()
+with open(r"C:\Users\Administrator\Desktop\l.txt","a",encoding="utf-8") as jzeng:
+    jzeng.write("小丽：11本\n")
+with open(r"C:\Users\Administrator\Desktop\l.txt","r",encoding="utf-8") as jzeng:
+    for data in jzeng:
+        if "小兰：12本" in data:
+            print("找到小兰了")
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