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Update Python常用小知识点(更新ing……).md
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studynotes/Python常用小知识点(更新ing……).md

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hex(ord(b'K')) # 0x4b K是ascii中可见字符,所以编辑器在碰到0x4b的时候就把0x4b转换成了b'K'
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## 字节转换成十六进制表示
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import binascii
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data = b'\\\x00?\x00?\x00\\\x00E\x00:\x00'
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print(binascii.hexlify(data)) # b'5c003f003f005c0045003a00'
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## 3.struct用法
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unpack反序列化:字节转换成常用数据类型

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