auto save

diy1.py

-username = "python"    
-userpassword = "123456"    
-while True:
-    name=input("请输入用户名:")
-    password=input("请输入密码:")
-    if name==username and password==userpassword: 
-        print("登陆成功!")
-        break
-    if name != username:
-        print("用户名不存在,请重新输入!")
-        continue
-    if password != userpassword:
-        print("密码输入错误,请重新输入!")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+import random
+for i in range(1000):
+    num=random.randint(20,100)
+    print(num)
+i=0
+j=0
\ No newline at end of file