save project

diy2.py

+name="a"
+passwo="123456"
+while True:
+    name1=input("请输入用户名:")
+    passwo1=input("请输入密码:")
+    if name==name1 and passwo==passwo1 :  
+        print("登录成功!")
+        break
+    if name!=name1:
+        print("用户名错误")
+        continue
+    if  passwo!= passwo1:
+        print("密码错误")
+print("欢迎来到贝尔编程!")
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