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First solution in Clear category for Broken Clock by Sim0000
from datetime import datetime
def broken_clock(starting_time, wrong_time, error_description):
timedic = {'second':1, 'minute':60, 'hour':3600, 'seconds':1, 'minutes':60, 'hours':3600}
# analyze starting time and wrong time
st = datetime.strptime(starting_time, '%H:%M:%S')
wt = datetime.strptime(wrong_time, '%H:%M:%S')
# analyze error_description
n1, unit1, _, n2, unit2 = error_description.split()
sec1 = int(n1) * timedic[unit1] # 1st seconds
sec2 = int(n2) * timedic[unit2] # 2nd seconds
# return correct time
return (st + (wt - st) * sec2 / (sec1 + sec2)).strftime('%X')
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == "__main__":
assert broken_clock('00:00:00', '00:00:15', '+5 seconds at 10 seconds') == '00:00:10', "First example"
assert broken_clock('06:10:00', '06:10:15', '-5 seconds at 10 seconds') == '06:10:30', 'Second example'
assert broken_clock('13:00:00', '14:01:00', '+1 second at 1 minute') == '14:00:00', 'Third example'
assert broken_clock('01:05:05', '04:05:05', '-1 hour at 2 hours') == '07:05:05', 'Fourth example'
assert broken_clock('00:00:00', '00:00:30', '+2 seconds at 6 seconds') == '00:00:22', 'Fifth example'
Nov. 18, 2014
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