time code | Python Fiddle

mport time;  # This is required to include time module.
from time import mktime;
from datetime import datetime

'''
ticks1 = time.time()
#ticks2= 1434370060
print ("Number of ticks (seconds) since 12:00am, January 1, 1970:", ticks1)
print('\n')

localtime1 = time.localtime(ticks1)
print ("Local current time :", localtime1)
print('\n')

localtime2 = time.localtime(ticks2)
print ("Local current time :", localtime2)
print('\n')

readabletime1 = time.asctime( localtime1 )
print ("Local current time :", readabletime1)
print('\n')

readabletime2 = time.asctime( localtime2 )
print ("Local current time :", readabletime2)
print('\n')
'''

def calcAveSpeed (t1, t2, dist):
 
    time1tuple = t1.timetuple()
    time2tuple = t2.timetuple()
    start=mktime(time1tuple)
    end=mktime(time2tuple)

#http://stackoverflow.com/questions/6999726/how-can-i-convert-a-datetime-object-to-milliseconds-since-epoch-unix-time-in-p

totTime=end-start

speed = dist/totTime

return speed

distance = 500 # ask the user to enter.... validate (can't be negative can't be letters)

dt1 = datetime(2012, 10, 18, 12, 00, 00)
dt2 = datetime(2012, 10, 18, 12, 2, 58)

aveSpeed= calcAveSpeed(dt1, dt2, distance);
print(aveSpeed, 'km/s')

distance = 750

dt1 = datetime(2012, 10, 18, 12, 00, 00) # let the user enter this and validate
dt2 = datetime(2012, 10, 18, 13, 3, 58)

aveSpeed= calcAveSpeed(dt1, dt2, distance);
print(aveSpeed, 'km/s')

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