save project

0.py

+username= "python"
+userpassword = "123456"
+while True:
+    name = input("请输入你的账号:")
+    passwaord = input("请输入你的密码:")
+    if name==username and password==userpassword:
+        print("登录成功")
+        break
+    elif name!=username:
+        print("账号错误")
+        
+    elif:
+        print("密码错误")
+print("欢迎来到.......")
\ No newline at end of file

luo.py

+username= "python"
+userpassword = "123456"
+i=3
+
+while True:
+    name = input("请输入你的账号:")
+    passwaord = input("请输入你的密码:")
+    i-=1
+    if i >0:
+        if name==username and password==userpassword:
+            print("登录成功")
+            break
+        if name!=username:
+            print("账号错误")
+            continue
+        if password!=userpassword:
+            print("密码错误")
+    else:
+        print("您的账号已被锁定!")
+        exit()
+print("欢迎来到.......")
\ No newline at end of file