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'
+
+#fill1=open(r"C:\Users\JUDY\Desktop\book.txt",'w',encoding="UTF-8")
+#fill1.write('小兰:12本\n')
+#fill1.write('小强:12本\n')
+#fill1.write('李明:15本\n')
+#fill1.close()
+# fill1=open(r"C:\Users\JUDY\Desktop\book.txt",'a',encoding="UTF-8")
+# fill1.write('小胖:11本\n')
+# fill1.close()
+# with open(r"C:\Users\JUDY\Desktop\book.txt",'a',encoding="UTF-8")as file:
+#     file.write('傻子:1735本\n')
+with open(r"C:\Users\JUDY\Desktop\book.txt",'r',encoding="UTF-8")as file:
+    for data in file:
+        if'小胖:11本'in data:
+            print('数据在文件中')