class Time_over_c:
def init(self) :
import time,atexit
self.time = time
self.st = self.time.time()
atexit.register(self.end)
def end(self):
print(f"运行时间:{self.time.time() - self.st}")
if name == “main”:
Time_over_c()
print([i for i in range(10)])
