save project

diy2.py

 #保存用户数据
-i=3
 username= "python"
 userpassword = "123456"
 #判断
-name = input("你账号是？")
 while True:
-    if i> -1:
-        if name == username:
-            password = input("你密码是？") 
-            if password == userpassword:
-                print("登陆成功")
-                break
-            if password != userpassword:
-                print("密码错误"+"你还有"+ str(i)+ "次机会")
-                i-= 1   
-        else :
-            print("账户错误")
-            continue
-    else :
-        print("你号没了")    
-        exit()
+    name = input("你账号是？")
+    if name == username:
+        password = input("你密码是？") 
+        if password == userpassword:
+            print("登陆成功")
+            break
+        if password != userpassword:
+            print("密码错误")   
+    if name != username:
+        print("账户错误")
+        continue
 print("欢迎")
\ No newline at end of file