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First solution in Clear category for Microwave Ovens by koladen
SECONDS_IN_MINUTE = 60
class MicrowaveBase:
def __init__(self):
self.time = 0
@staticmethod
def _check_time(time):
if time > 5400:
time = 5400
elif time < 0:
time = 0
return time
@staticmethod
def convert_to_seconds(time):
if time[-1] == 's':
return int(time[:-1])
elif time[-1] == 'm':
return int(time[:-1])*SECONDS_IN_MINUTE
@staticmethod
def convert_to_output(time):
minutes = str(time // SECONDS_IN_MINUTE).rjust(2, '0')
seconds = str(time % SECONDS_IN_MINUTE).rjust(2, '0')
return minutes + ':' + seconds
def set_time(self, time):
min_sec = time.split(':')
self.time = self._check_time(self.convert_to_seconds(min_sec[0]+'m') + self.convert_to_seconds(min_sec[1]+'s'))
def add_time(self, time):
self.time = self._check_time(self.time + self.convert_to_seconds(time))
def del_time(self, time):
self.time = self._check_time(self.time - self.convert_to_seconds(time))
def show_time(self):
raise NotImplementedError
class Microwave1(MicrowaveBase):
def show_time(self):
return '_' + self.convert_to_output(self.time)[1:]
class Microwave2(MicrowaveBase):
def show_time(self):
return self.convert_to_output(self.time)[:-1] + '_'
class Microwave3(MicrowaveBase):
def show_time(self):
return self.convert_to_output(self.time)
class RemoteControl:
def __init__(self, device):
self.device = device
def set_time(self, time):
self.device.set_time(time)
def add_time(self, time):
self.device.add_time(time)
def del_time(self, time):
self.device.del_time(time)
def show_time(self):
return self.device.show_time()
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
microwave_1 = Microwave1()
microwave_2 = Microwave2()
microwave_3 = Microwave3()
remote_control_1 = RemoteControl(microwave_1)
remote_control_1.set_time("01:00")
remote_control_2 = RemoteControl(microwave_2)
remote_control_2.add_time("90s")
remote_control_3 = RemoteControl(microwave_3)
remote_control_3.del_time("300s")
remote_control_3.add_time("100s")
assert remote_control_1.show_time() == "_1:00"
assert remote_control_2.show_time() == "01:3_"
assert remote_control_3.show_time() == "01:40"
print("Coding complete? Let's try tests!")
Jan. 26, 2021
