save project

diy.py

@@ -5,6 +5,9 @@
 # file1.write("李:9")
 # file1.write("李:9")
 # file1.write("张：16")
 # file1.write("张：16")
 # file1.close()
 # file1.close()
-while (r"C:\Users\A2\Desktop\新建文件夹\book.txt","a",encoding="utf-8" ) as file1:
-    file1.write("小丽：11本")
-
+# with open (r"C:\Users\A2\Desktop\新建文件夹\book.txt","a",encoding="utf-8" ) as file1:
+#     file1.write("小丽：11本")
+with open (r"C:\Users\A2\Desktop\新建文件夹\book.txt","r",encoding="utf-8" ) as file1:
+    for data in file1:
+        if 'xiaoqiang' in data:
+            print("数据在文件中")