title: How can I read in a file with multiple x, y coordinates pairs and display as scatter points in Python 3
body: <p>I have a file consist of multiple x,y coordinates pairs/columns :</p>
  
  <p>614749.4    471134.6    614682.35   470996.6</p>
  
  <p>614755.6    471134.1    614685.45   470996.4</p>
  
  <p>614761.8    471133.5    614688.55   470996.1</p>
  
  <p>614768.1    471133      614691.7    470995.85</p>
  
  <p>.......</p>
  
  <p>614767.6    471058.1    614691.45   470958.4</p>
  
  <p>614773.8    471057.6    614694.55   470958.15</p>
  
  <p>614780      471057.1    614697.65   470957.9</p>
  
  <p>614786.2    471056.6    614700.75   470957.65</p>
  
  <p>I would like to use Python to read in the file and display it like what excel can do:</p>
  
  <p>The file could be very big with million of x,y pairs. Excel is too slow to read and display the scatter points. I have numpy and matplotlib package installed. I have trouble to </p>