Python 리스트 컴프리헨션

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Python 리스트 컴프리헨션

numbers = [1, 2, 3, 4, 5, 6]
print( [x * 2 - 1 for x in numbers] )
# [1, 3, 5, 7, 9, 11]

fruits = ['Apple', 'Banana', 'Orange', 'Mango']
print( [len(i) for i in fruits] )
# [5, 6, 6, 5]

fruits = ['Apple', 'Banana', 'Orange', 'Mango']
print( [v for v in fruits if len(v)>5] )
# ['Banana', 'Orange']

fruits = ['Apple', 'Banana', 'Orange', 'Mango']
print( [fruit.upper() for fruit in fruits] )
# ['APPLE', 'BANANA', 'ORANGE', 'MANGO']

print( [i ** 2 for i in range(10)] )
# [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]

suits = ('spade', 'heart', 'diamond', 'clover')
ranks = (1, 2)
print( [ (s, r) for s in suits for r in ranks ] )
# [('spade', 1), ('spade', 2), ('heart', 1), ('heart', 2), ('diamond', 1), ('diamond', 2), ('clover', 1), ('clover', 2)]

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• 리스트 컴프리헨션