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f-strings solution in Clear category for Microwave Ovens by David_Jones
class MicrowaveBase:
def __init__(self):
self.seconds = 0
class Microwave1(MicrowaveBase):
pass
class Microwave2(MicrowaveBase):
pass
class Microwave3(MicrowaveBase):
pass
class RemoteControl:
def __init__(self, microwave):
self.microwave = microwave
def set_time(self, time):
mm, ss = map(int, time.split(':'))
self.microwave.seconds = 60 * mm + ss
def add_time(self, time):
seconds, token = int(time[:-1]), time[-1]
if token == 'm':
seconds *= 60
self.microwave.seconds = min(5400, self.microwave.seconds + seconds)
def del_time(self, time):
seconds, token = int(time[:-1]), time[-1]
if token == 'm':
seconds *= 60
self.microwave.seconds = max(0, self.microwave.seconds - seconds)
def show_time(self):
mm, ss = divmod(self.microwave.seconds, 60)
time = f'{mm:02d}:{ss:02d}'
if isinstance(self.microwave, Microwave1):
return '_' + time[1:]
if isinstance(self.microwave, Microwave2):
return time[:-1] + '_'
return time
May 16, 2019
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