Using Python to realize the mutual conversion method of time hours, minutes, seconds and seconds

Inspired by UnixTimestamp, I found that it is very easy to process the time after it is converted into seconds. It is no longer processed in the form of string in the program, regardless of the time It is very convenient to add, subtract or obtain random time points.
If necessary, it is also easy to convert to the required time format.

One: Convert time to seconds

st = "08:30:30"
et = "9:33:33"

#方法一
def t2s(t):
    h,m,s = t.strip().split(":")
    return int(h) * 3600 + int(m) * 60 + int(s)

print(t2s(st))

#方法二
import datetime
var = ("hours","minutes","seconds")
time2sec = lambda x:int(datetime.timedelta(**{k:int(v) for k,v in zip(var,x.strip().split(":"))}).total_seconds())

print(time2sec(st))

Two: Convert seconds to hours, minutes and seconds:

The following method is copied from stackoverflow.

m, s = pmod(seconds, 60)
h, m = pmod(m, 60)
print ("%02d:%02d:%02d" % (h, m, s))

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