save project

diy.py

@@ -7,4 +7,8 @@ with open(r"C:\Users\LX\Desktop\wen.txt",'a',encoding='utf-8') as a:
     a.write("小兰:12本\n")
 with open(r"C:\Users\LX\Desktop\wen.txt",'r',encoding='utf-8') as a:
     c=a.read()
-    print(c)
\ No newline at end of file
+    print(c)
+with open(r"C:\Users\LX\Desktop\wen.txt",'r',encoding='utf-8') as a:
+    for i in a:
+        if "小强:10本" in i:
+            print("在")
\ No newline at end of file