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  1. # your code goes here#!/usr/bin/env python3
  2.  
  3. import abc
  4.  
  5. class Strategy(metaclass=abc.ABCMeta):
  6.     @abc.abstractmethod
  7.     def check_temperature(self, temperature):
  8.         pass
  9.  
  10.  
  11. class HikeStrategy(Strategy):
  12.     def check_temperature(self, temperature):
  13.         if temperature >= 20 and temperature <= 40:
  14.             return True
  15.         else:
  16.             return False
  17.  
  18.  
  19. class SkiStrategy(Strategy):
  20.     def check_temperature(self, temperature):
  21.         if temperature <= 0:
  22.             return True
  23.         else:
  24.             return False
  25.  
  26. class Context:
  27.     def __init__(self, temperature, strategy, action_name):
  28.         self.temperature = temperature
  29.         self.strategy = strategy
  30.         self.action_name = action_name
  31.  
  32.     def output_result(self):
  33.     	print('temperature: ' + str(self.temperature))
  34.     	print('action name: ' + str(self.action_name))
  35.     	print('result: ' + str(self.strategy.check_temperature(self.temperature)), end='\n\n')
  36.  
  37.  
  38. if __name__ == '__main__':
  39.     context = Context(25, SkiStrategy(), 'ski')
  40.     context.output_result()
  41.  
  42.     context = Context(25, HikeStrategy(), 'hike')
  43.     context.output_result()
  44.  
  45.     context = Context(-20, SkiStrategy(), 'ski')
  46.     context.output_result()
  47.  
  48.     context = Context(-20, HikeStrategy(), 'hike')
  49.     context.output_result()
Success #stdin #stdout 0.02s 27712KB
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stdin
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Standard input is empty
stdout
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temperature: 25
action name: ski
result: False

temperature: 25
action name: hike
result: True

temperature: -20
action name: ski
result: True

temperature: -20
action name: hike
result: False
https://ideone.com/hLhUHV
language:
Python 3 (python  3.12)
created:
7 years ago
visibility:
public

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