save project

diy2.py

+username = "python"
+userpassword = "123456"
+while True:
+    a = input("请输入用户名:")
+    d = input("请输入密码:")
+    if a == username and d == userpassword:
+        print("登录成功!")    
+        break
+    if a !=username:
+        print("用户名错误!请重新输入")
+        continue  
+    if d !=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

ikq.py

+i=0
+while i<10:
+    i=i+1
+    if i==4 or i==7:
+        continue
+    print(i)
\ No newline at end of file