save project

diy3.py

-with open(r"C:\Users\MC3-06\Desktop","w",encoding="utf-8") as tdfgrv:
-        # for data in file:
-        #     if "小兰："
-    tdfgrv.write("小兰：12\n小强:10\n李明：15" )
+with open(r"C:\Users\MC3-06\Desktop\tt.txt","w",encoding="utf-8") as tdfgrv:
+    for data in file:
+        if "小兰：12" in data:
+            print("有")
\ No newline at end of file
+        else:
+            print(data)
+    # tdfgrv.write("小兰：12\n小强:10\n李明：15" )