title: Unpack from hex to double in Python
body: <p>Python: Unpack from hex to double</p>
  
  <p>This is the value</p>
  
  <pre><code>value = ['\x7f', '\x15', '\xb7', '\xdb', '5', '\x03', '\xc0', '@']
  </code></pre>
  
  <p>I tried </p>
  
  <pre><code>unpack('d', value)
  </code></pre>
  
  <p>but he needs a string for unpacking. It is a list now. But when I change it to a string, the length will change from 8 to 58. But a double needs a value of the length 8.</p>