save project

diy2.py

+i=3
 a= "a"
 b= "123456"
 while True:
-    c = input("请输入用户名:")
-    d = input("请输入密码:")
-    elif c == a and d == b:
-        print("登录成功!")
-        break 
-    elif c != a :
-        print("用户名错误!请重新输入")
-        #continue
-    else d != b :
-        print("密码输入错误！请重新输入")
\ No newline at end of file
+    if i > 0:
+        c = input("请输入用户名:")
+        d = input("请输入密码:")
+        i= i-1
+        if c == a and d == b:
+            print("登录成功!")
+            break 
+        if  c != a :
+            print("用户名错误!请重新输入")
+            continue
+        if   d != b :
+            print("密码输入错误！请重新输入") 
+    else :
+        print ("冻结账号")
+        exit()
\ No newline at end of file