save project

diy.py

@@ -5,5 +5,10 @@
 #file.write("李文：9本\n")
 #file.write("张伟：16本\n")
 #file.close()
-with open(r"C:\Users\EDY\Desktop\10086.txt","a",encoding="utf-8") as files:
-    files.write("坤坤: 114514本\n")
\ No newline at end of file
+with open(r"C:\Users\EDY\Desktop\10086.txt","r",encoding="utf-8") as files:
+    a=files.read()
+    # print(a)
+    if "坤坤: 114514本" in data:
+        print("该数据在里面")
+    else:
+        print("该数据不在里面")
\ No newline at end of file