title: How does Python execute the arithmetic operation if multiple operations are found in a single statement
body: <p>I need to know how Python executes arithmetic operations. Below I have given some of the question. Please explain the concept behind this.</p>
  
  <pre><code>why 3+-+--2 = 1
  why  3+-+-+--+++2 = 1
  why 3-----------2 = 1
  why 3--------+2 = 5
  </code></pre>