save project

diy.py

@@ -4,5 +4,8 @@
 # file.write('小丽：11本\n')
 # file.write('李文：9本\n')
 # file.write('张伟：16本\n')
-with open(r"C:\\Users\\Administrator\\Desktop\\test.txt",'a',encoding='utf-8')as file:
-    file.write('小白，30本')
\ No newline at end of file
+# file.close()
+with open(r"C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf-8')as file:
+    for data in file:
+        if '小兰：12本'in data:
+            print('找到了')
\ No newline at end of file