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\mingxi.txt","w",encoding="utf-8")
+# jzeng.write("小兰：12本")
+# jzeng.close() 
+# jzeng=open(r"C:\Users\Administrator\Desktop\mingxi.txt","a",encoding="utf-8")
+# jzeng.write("小强：10本\n")
+# jzeng.write("李明：15本\n")
+with open(r"C:\Users\Administrator\Desktop\mingxi.txt","a",encoding="utf-8") as filel:
+    for data in jzeng:
+        if '小强：10本'in jzeng:
+            print("小强数据在文件中")
+        if '小兰：12本'in jzeng:
+            print("小兰数据在文件中")    
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