save project

diy.py

-with open(file1.write('李文:9本\n')
-file1.write('张伟:16本\n')
-file
-
-
-
-
-
+with open(r'C:\Users\CM\Desktop\book.txt','r',encoding='utf-8')
+    for data in file1:
+        if '小强:10本'in data:
+            print('小强数据在文件中')
+         if '小兰:12本'in data:
+            print('小兰数据在文件中')