save project

diy2.py

+i=11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        if name == username and password == userpassword:
+            print("登录成功!")
+
+        print("用户名和密码错误!请重新输入")
+        break
+        if name != username:
+            print("zhanghaocuow ")
+            continue
+            
+        if username != password:
+            print("zhanghaocuow ")
+            continue
+        i-=1
+print("欢迎来到贝尔编程!")
\ No newline at end of file

diy3.py

+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+            i-=1
+        # print("用户名和密码错误!请重新输入")
+    
+        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")
+            continue
+        
+print("欢迎来到贝尔编程!")
\ No newline at end of file