Auto commit

main.py

 import random
 import time
+
 def draw_dot(level):
     print('  ', end=' ')
     for i in range(level):
@@ -128,6 +129,7 @@ while True:
     board = new_board(level)
     mines = lay_mines(level, level)
     draw_board(board,level)
+    start_time = time.time()
     while True:
         move = is_valid_move(input('请选择位置：'), level)
         if not move: continue
@@ -136,4 +138,8 @@ while True:
         dig_mine(row, column, mines, level)
         if is_win(board, mines, level) or is_lose(board, mines, level): break
         draw_board(board,level)
-    if not play_again(): break
\ No newline at end of file
+    end_time = time.time()
+    print(f"用时：{end_time-start_time:.2f}秒")
+    if not play_again(): 
+        print("下次再见！")
+        break
\ No newline at end of file