Какво е __lt__
Примерен код
какво е __lt__
class Area:
def __init__(self, height, width):
self.height = height
self.width = width
def __eq__(self, other):
if isinstance(other, Area):
return self.height * self.width == other.height * other.width
else:
return False
def __ne__(self, other):
return not self == other
def __lt__(self, other):
if isinstance(other, Area):
return self.height * self.width < other.height * other.width
else:
return False
def __gt__(self, other):
if isinstance(other, Area):
return self.height * self.width > other.height * other.width
else:
return False
def __le__(self, other):
return self == other or self < other
def __ge__(self, other):
return self == other or self > other
a1 = Area(7, 10)
a2 = Area(35, 2)
a3 = Area(8, 9)
print('Testing ==')
print(a1 == 'hello')
print(a1 == a2)
print(a1 == a3)
print('Testing !=')
print(a1 != 'hello')
print(a1 != a2)
print(a1 != a3)
print('Testing <')
print(a1 < 'hello')
print(a1 < a2)
print(a1 < a3)
print('Testing >')
print(a1 > 'hello')
print(a1 > a2)
print(a1 > a3)
print('Testing <=')
print(a1 <= 'hello')
print(a1 <= a2)
print(a1 <= a3)
print('Testing >=')
print(a1 >= 'hello')
print(a1 >= a2)
print(a1 >= a3)какво е __lt__
class Area: def __init__(self, height, width): self.height = height self.width = width def __eq__(self, other): if isinstance(other, Area): return self.height * self.width == other.height * other.width else: return False def __ne__(self, other): return not self == other def __lt__(self, other): if isinstance(other, Area): return self.height * self.width < other.height * other.width else: return False def __gt__(self, other): if isinstance(other, Area): return self.height * self.width > other.height * other.width else: return False def __le__(self, other): return self == other or self < other def __ge__(self, other): return self == other or self > other a1 = Area(7, 10)a2 = Area(35, 2)a3 = Area(8, 9)print('Testing ==')print(a1 == 'hello')print(a1 == a2)print(a1 == a3)print('Testing !=')print(a1 != 'hello')print(a1 != a2)print(a1 != a3)print('Testing <')print(a1 < 'hello')print(a1 < a2)print(a1 < a3)print('Testing >')print(a1 > 'hello')print(a1 > a2)print(a1 > a3)print('Testing <=')print(a1 <= 'hello')print(a1 <= a2)print(a1 <= a3)print('Testing >=')print(a1 >= 'hello')print(a1 >= a2)print(a1 >= a3)Подобни страници
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