save project

diy.py

@@ -5,9 +5,7 @@
 #filel.write('李文：9本')
 #filel.write('李文：9本')
 #filel.write('张伟：16本')
 #filel.write('张伟：16本')
 #filel.close()
 #filel.close()
-with open(r"C:\Users\Administrator\Desktop\test.txt","w",encoding="utf-8")as
-filel:
-    filel.write('小兰：12本')
-    filel.write('小丽：11本')
-    filel.write('李文：9本')
+with open(r"C:\Users\Administrator\Desktop\test.txt","w",encoding="utf-8")as filel:
+    for data in filel:
+        if "小强：10本"in data:
+            print("数据在玩文件中")
\ No newline at end of file
-    filel.write('张伟：16本')
\ No newline at end of file