save project

文件.py

-with open(r"D:\郭涵哲\新建文本文档.txt",'a',encoding='utf-8') as file1: 
-with open(r"D:\郭涵哲\新建文本文档.txt",'a',encoding='utf-8') as file1: 
-    file1.write('小兰：12本\n')
-    file1.write('小强：10本\n')
+with open(r"D:\郭涵哲\新建文本文档.txt",'r',encoding='utf-8') as file1: 
+with open(r"D:\郭涵哲\新建文本文档.txt",'r',encoding='utf-8') as file1: 
+    #file1.write('小兰:12本\n')
+    #file1.write('小强:10本\n')
\ No newline at end of file
+    #a=file1.read()
+    #print(a)
+    for a in file1:
+        if '小强:10本' in a:
+            print('文件在里面')
+        
\ No newline at end of file