title: Comparing two dimensional arrays to one another
body: <p>I want to write a code where it outputs the similarities for the values of arrays <code>a,b,c</code>. I want the code to check if there are any similar values between the arrays. I will be comparing <code>b and c</code> to <code>a</code>. So <code>[         0, 1624580882]</code> exist when comparing <code>a</code> and <code>b</code> and so on. Both the columns must be equivalent for the comparison to work.</p>
  <pre><code>import numpy as np 
  
  a= np.array([[         0, 1624580882],
   [         1, 1624584458],
   [         0, 1624589467],
   [         1, 1624592213],
   [         0, 1624595336],
   [         1, 1624596349]])
  
  b= np.array([[         1, 1624580882],
   [         1, 1624584460],
   [         1, 1624595336],
   [         1, 1624596349]])
  
  
  c = np.array([[         0, 1624580882],
   [         1, 1624584458],
   [         0, 1624589495],
   [         1, 1624592238],
   [         0, 1624595336],
   [         1, 1624596349]])
  </code></pre>
  <p>Expected Output:</p>
  <pre><code>b comparison
  Similarities= None
  
  c comparison
  Similarities= [         0, 1624580882],[         1, 1624584464], [         0, 1624595350],[         1, 1624596380] 
  </code></pre>