# Python:binascii库 - 二进制和 ASCII 码互转

By [weigr](https://paragraph.com/@hiweigr) · 2022-03-23

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    import binascii
    """
    binascii 模块包含很多在二进制和二进制表示的各种ASCII码之间转换的方法
    """
    s = b'hello'
    # 返回二进制数据的十六进制表示形式
    h = binascii.hexlify(s)
    print(binascii.hexlify(s))
    # OR
    print(binascii.b2a_hex(s))
    
    # 返回由十六进制字符串表示的二进制数据
    print(binascii.a2b_hex(h))
    # OR
    print(binascii.unhexlify(h))

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*Originally published on [weigr](https://paragraph.com/@hiweigr/python-binascii-ascii)*