title: Adding rows to a column for every element in the list for every unique value in another column in python pandas
body: <p>I have two lists of unequal length:</p>
  
  <pre><code>Name = ['Tom', 'Jack', 'Nick', 'Juli', 'Harry']
  bId= list(range(0,3)) 
  </code></pre>
  
  <p>I want to build a data frame that would look like below:</p>
  
  <pre><code>'Name' 'bId'
  Tom   0
  Tom   1
  Tom   2
  Jack  0
  Jack  1
  Jack  2
  Nick  0
  Nick  1
  Nick  2
  Juli  0
  Juli  1
  JUli  2
  Harry 0
  Harry 1
  Harry 2
  </code></pre>
  
  <p>Please suggest.</p>