import time
import calendar
import datetime
print(time.time())
print(time.localtime())
print(time.localtime(time.time()))
print(time.mktime(time.localtime()))
print(time.ctime(time.time()))
print(time.asctime(time.localtime()))
print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
print(time.strptime("2018-01-17 11:31:31", "%Y-%m-%d %H:%M:%S"))
start = time.clock()
total = 0
for i in range(0, 10000):
total += i
end = time.clock()
print(end - start)
print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
time.sleep(1)
print(time.strptime("2018-01-17 11:31:31", "%Y-%m-%d %H:%M:%S"))
print(calendar.month(2018, 1))
print(datetime.datetime.now())
t = datetime.datetime.today()
print(t, type(t))
print(t.year, t.month, t.day, t.hour, t.minute, t.second, sep="-")
t = datetime.datetime.now()
result = datetime.timedelta(days=7) + t
print(result, type(result))
first = datetime.datetime(2017, 9, 2, 12, 00, 00)
second = datetime.datetime(2018, 1, 17, 13, 21, 51)
delta = second - first
print(delta, type(delta))
print(delta.total_seconds())