python 标准库常用的time和math使用

"""
os模块主要是对文件和目录的操作
"""

"""
time模块
"""
import time

print(time.asctime())
print(time.time())
print(time.localtime())
print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))

# Tue Mar 16 20:40:51 2021
# 1615898451.3912055
# time.struct_time(tm_year=2021, tm_mon=3, tm_mday=16, tm_hour=20, tm_min=40, tm_sec=51, tm_wday=1, tm_yday=75, tm_isdst=0)
# 2021-03-16 20:40:51

"""
math
"""
import math
print(math.ceil(5.4))
print(math.floor(5.2))
print(math.sqrt(16))
# 6
# 5
# 4.0