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gruntfutuk

Classes for beginners

gruntfutuk
Jan 23rd, 2021
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  1. ''' CLASSES for beginners - simple example '''
  2.  
  3. class Room():
  4.     def __init__(self, name, height, length, width):
  5.         self.name = name
  6.         self.height = height
  7.         self.length = length
  8.         self.width = width
  9.  
  10.     @staticmethod
  11.     def mm_to_ft(mm):
  12.         return mm * 0.0032808399
  13.  
  14.     @staticmethod
  15.     def sqmm_to_sqft(sqmm):
  16.         return sqmm * 1.07639e-5
  17.  
  18.     def height_in_ft(self):
  19.         return Room.mm_to_ft(self.height)
  20.  
  21.     def width_in_ft(self):
  22.         return Room.mm_to_ft(self.width)
  23.  
  24.     def length_in_ft(self):
  25.         return Room.mm_to_ft(self.length)
  26.  
  27.     def wall_area(self):
  28.         return self.length * 2 * self.height + self.width * 2 * self.height
  29.  
  30.  
  31. lounge = Room('Lounge', 1300, 4000, 2000)
  32. snug = Room('Snug', 1300, 2500, 2000)
  33.  
  34. print(lounge.name, lounge.height, lounge.length, lounge.length)
  35. print(snug.name, snug.height, snug.length, snug.length)
  36.  
  37. print(lounge.name, 'length in feet:', lounge.height_in_ft())
  38. print(f'{snug.name} wall area: {snug.wall_area()} in sq.mm., ' + \
  39.       f'{snug.sqmm_to_sqft(snug.wall_area()):.2f} in sq.ft.')
  40.  
  41.  
  42.  
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