save project

diy2.py

-for i in range(1,10):  
-    for j in range(1,i+1):
-        print(j,'*', i,'=',(j * i),end="  ")
-    print()
\ No newline at end of file
+username="python"
+userpassword="123456"
+while true:
+    name=imput("请输入用户名")
+    password=imput("请输入密码")
+    if name==username and password==userpassword:
+        print("登陆成功")
+        break
+    if name!= username:
+        print("用户名错误,请重新输入")
+        continue
+    if password !=userpassword：
+        print("密码错误,请重新输入")
+print("欢迎来到贝尔编程")
\ No newline at end of file