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'
+
+file=open(r"c:\Users\GT\Desktop\book.txt","w",encoding="utf-8")
+file.write("小兰：12\n")
+file.write("小丽：11本\n")
+file.write("李文：9本\n")
+file.write("张伟：16本n")
+
+with open(r"c:\Users\GT\Desktop\book.txt","r",encoding="utf-8") as file:
+    #file.write("悟空：100本\n")
+    for data in file:
+        if"小兰" in  data:
+            print("在")
+        else:
+            print("不在")