Convert hex to float

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In Python 3:

>>> import struct
>>> struct.unpack('!f', bytes.fromhex('41973333'))[0]
18.899999618530273
>>> struct.unpack('!f', bytes.fromhex('41995C29'))[0]
19.170000076293945
>>> struct.unpack('!f', bytes.fromhex('470FC614'))[0]
36806.078125

In Python 2:

>>> import struct
>>> struct.unpack('!f', '41973333'.decode('hex'))[0]
18.899999618530273
>>> struct.unpack('!f', '41995C29'.decode('hex'))[0]
19.170000076293945
>>> struct.unpack('!f', '470FC614'.decode('hex'))[0]
36806.078125

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