title: Python - convert a list in an array
body: <p>I got a list of values and i would like to convert it in an array in order to extract easily columns, but i m embarassed with " which doesn t allow to use : " x = np.array(a, dtype=float)"</p>
  
  <pre><code>['"442116.503118","442116.251106"',
       '"442141.502863","442141.247462"',
      ...
  </code></pre>
  
  <p>The message obtained is :
  "could not convert string to float: "442116.503118","442116.251106""</p>