auto save

a.py

+print('班级登记卡')
+print('用户名：')
+print('所属班级：')
+print('验证码：3+5=?')
+exit()
\ No newline at end of file

func.py

+def jiage():
+    total = []
+    while True:
+        unit= input("str")
+        if unit== 'q':
+            break1
+        else:
+            total.append()
+    print(total)
+jiage()
\ No newline at end of file

jkl.py

+usename="python"
+usepassword="123456"
+while True:
+    name=input("请输入用户名：")
+    password=input("请输入密码：")
+    if name==usename and password==usepassword:
+        print("登录成功！")
+        break
+    if name!=usename:
+        print("用户名错误，请重新输入！")
+    if password!=usepassword:
+        print("密码错误，请重新输入！") 
+    if name!=usename and password!=usepassword:
+        print("用户名和密码错误，请重新输入！")       
+        
\ No newline at end of file