save project

diy.py

@@ -5,3 +5,9 @@ file1.write(" 小丽：11本\n")
 file1.write(" 李文：9本\n")
 file1.write(" 李文：9本\n")
 file1.close()
 file1.close()
 
 
+with open(r"C:\Users\MC3-07\Desktop\test.txt","r",encoding="utf-8") as file1:
+    for i in file1:
+        if "小黑子：18" in i:
+            print("有数据")
+        else:
+            print("没这个人")