title: NameError: name 'now' is not defined
body: <p>From this source code:</p>
  
  <pre><code>def numVowels(string):
      string = string.lower()
      count = 0
      for i in range(len(string)):
          if string[i] == "a" or string[i] == "e" or string[i] == "i" or \
              string[i] == "o" or string[i] == "u":
              count += 1
      return count
  
  print ("Enter a statement: ")
  strng = input()
  print ("The number of vowels is: " + str(numVowels(strng)) + ".")
  </code></pre>
  
  <p>I am getting the following error when I run it:</p>
  
  <pre><code>Enter a statement:
  now
  
  Traceback (most recent call last):
    File "C:\Users\stevengfowler\exercise.py", line 11, in &lt;module&gt;
      strng = input()
    File "&lt;string&gt;", line 1, in &lt;module&gt;
  NameError: name 'now' is not defined
  
  ==================================================
  </code></pre>