save project

diy2.py

+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
+        a = input("请输入用户名:")
+        d = input("请输入密码:")
+        i-=1
+        if a == username and d == userpassword:
+            print("登录成功!")    
+            break
+        elif a !=username:
+            print("用户名错误!请重新输入")
+            continue  
+        else:
+            print("密码错误!请重新输入")
+            exit() 
+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