title: What is the meaning of Percent sign in Python?
body: <p>What is the meaning of the percent sign in Python? for example :
  The part of this Code 'j%i%im%i'%(b,c,d) ?</p>
  
  <pre><code>&gt;&gt;&gt; while d &lt; len(r[0][b][c]):            
  &gt;&gt;&gt;      if r[0][b][c][d] &gt;= 0 and e == 0:                                          
  &gt;&gt;&gt;         C.append({'operation':'j%i%im%i'%(b,c,d),'energie':r[1][b][c][d]},) 
  &gt;&gt;&gt;         e = 1 
  </code></pre>