save project

1.py

-a=[1,2,3,4,5]
-for i range(len(a)):
-    print(a[i])
-for i in a:
-    print(i)
+with open(r'C:\Users\CM\Desktop\book.txt','r',encoding='utf-8')as file1:
+    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:
\ No newline at end of file
+             print('小兰数据在文件中')
+        
\ No newline at end of file