25 lines
671 B
Python
25 lines
671 B
Python
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if __name__ == '__main__':
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# 想要将十进制数字转换成二进制、八进制和十六进制，可以使用内建函数
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a = 1234
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a_bin = bin(a)
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print(a_bin)
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a_oct = oct(a)
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print(a_oct)
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a_hex = hex(a)
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print(a_hex)
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# 如果不想要出现0b、0o、0x这样的前缀，可以使用format函数格式化做转换
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print(format(a, 'b'))
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print(format(a, 'o'))
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print(format(a, 'x'))
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# 如果我们需要一个32位无符号整数，可以这样干
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x = 1234
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x = format(2**32 + x, 'b')
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print(x)
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# 要转回10进制的时候用int函数+字符串进制就可以了
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x = int(a_bin, 2)
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print(x)
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