添加 faci

faci

@@ -0,0 +1,20 @@
+#错误……
+import time
+
+def cal_time(func):                   #传递被装饰函数
+    def transfer(*args):              #传递被装饰函数的参数
+        start_time = time.time()
+        result = func(*args)
+        end_time = time.time()
+        # consume_time = end_time - start_time
+        print(f"运行时间: {end_time - start_time:.3f}秒")
+        return result
+    return transfer
+@cal_time
+def fb_sq(n):
+    if n <= 1:
+        yield n  # 递归出口，直接返回n的值
+    else:
+        # 递归获取前两项的值并相加
+        yield next(fb_sq(n-1)) + next(fb_sq(n-2))
+print(next(fb_sq(10)))