title: Receiving errors with simple Python code, confused as to why. ActiveCode provides a whole other error
body: <p>Here is the code to finding out a grade from a mark, pretty simple:</p>
  
  <pre><code>def grading(grade):
      n = (grade)
  
      if n &gt;= 90:
          return "A"
      else:
          if n &gt;= 80 and n &lt; 90:
              return "B"
          else:
              if n &gt;= 70 and n &lt; 80:
                  return "C"
              else:
                  if n &gt;= 60 and n &lt; 70:
                      return "D"
                  else:
                      return "F"
  
  m = float(input("What is your number grade?"))
  
  print("Mark:", str(grade), "Grade:", grading(m)) 
  </code></pre>
  
  <p>I am getting a <strong>"SyntaxError: bad input on line 22"</strong> when running it</p>
  
  <p>&amp; the site I'm using (<strong>interactivepython.org</strong>) has an <strong>activecode</strong> function where it follows the code step by step and that produces the error of <strong>"IndentationError: unexpected indent (, line 1)"</strong></p>