title: TypeError: cannot concatenate 'str' and 'float' objects python 2.7
body: <p>I am trying to programming a code that successfully converts Fahrenheit to Celsius but I keep getting an error which states "TypeError: cannot concatenate 'str' and 'float' objects" </p>
  
  <p>Code Given Below: </p>
  
  <pre><code>a = float(raw_input("What is the temperature in fahrenheit ")) 
  b = (a-32)/1.8 
  c = "Your temperature is " + b + " degrees celsius."
  </code></pre>