# python 16进制字符串与二进制数据互转


### hexstr to bin
```python
bytes.fromhex("aabbcc")
b'\xaa\xbb\xcc'
```
或
```python
binascii.unhexlify("aabbcc")
b'\xaa\xbb\xcc'
```
### bin to hexstr
```python
binascii.hexlify(b'\xaa\xbb\xcc')
b'aabbcc'
```
或
```python
b'\xde\xad\xbe\xef'.hex()
'deadbeef'
```