Python-时间及日期-04-时间加减法

import datetime

current_time = datetime.datetime.now()
print("当前时间：", current_time)

print("\n")
print("相差n天")
n = 3
time_delta = datetime.timedelta(days=n)

print("\n")
other_time = current_time + time_delta
tips = "{0}天后".format(n)
print(tips)
print(other_time)

print("\n")
other_time = current_time - time_delta
tips = "{0}天前".format(n)
print(tips)
print(other_time)


print("\n")
print("相差n小时")
n = 15
time_delta = datetime.timedelta(hours=n)

print("\n")
other_time = current_time + time_delta
tips = "{0}小时后".format(n)
print(tips)
print(other_time)

print("\n")
other_time = current_time - time_delta
tips = "{0}小时前".format(n)
print(tips)
print(other_time)