title: How to remove a middle character from string by strip in python?
body: <p>I want remove the "+" sign from the input 'x+y' where x and y is an string(single digit) and print the result.</p>
  
  <p>For example, I am entering 5+7 and it should display 57</p>
  
  <p>Here is the code:</p>
  
  <pre><code>opr = input("Enter string").strip("+")
  print(opr)
  </code></pre>
  
  <p>This code is not removing the "+" sign.</p>