title: Python: Mortgage calculation
body: <p>I'm trying to calculate the first part of a mortgage but I cannot get it to work. I am receiving this error:</p>
  <pre><code>Traceback (most recent call last):
    File &quot;C:\Thonny\PythonProgs\class\New folder\classy.py&quot;, line 140, in &lt;module&gt;
      print (&quot;Your monthly mortgage payment will be &quot; + str(mortgage_payment))
  TypeError: 'tuple' object is not callable
  </code></pre>
  <pre><code>print (&quot;How much is the mortgage loan you are applying for: &quot;)
          
  mortgage_loan = input()
  
  mortgage_loan = float(mortgage_loan)
  
          
  print (&quot;This particular mortgage will be calculated at 3% APR over a 25 year period. &quot;)
  
  months = 300
  
  months = float(months)
      
  mortgage_payment = (float(mortgage_loan) / float(months) )
      
  print (&quot;Your monthly mortgage payment will be &quot; + str(mortgage_payment))
  </code></pre>