30 lines
641 B
Python
30 lines
641 B
Python
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class Binary(object):
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def __init__(self, binary_string):
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self.binary_string = [
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int(char) for char
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in reversed(binary_string)
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if char in '10'
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]
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def __int__(self):
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return sum([
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digit * (2 ** index) for index, digit
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in enumerate(self.binary_string)
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])
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# class Binary
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# attr_reader :digits
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# def initialize(decimal)
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# @digits = decimal.reverse.chars.collect(&:to_i)
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# end
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# def to_decimal
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# decimal = 0
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# digits.each_with_index do |digit, index|
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# decimal += digit * 2**index
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# end
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# decimal
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# end
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# end
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