'''
Created on Sep 20, 2011

@author: rodger
'''
def is_vowel0(ch):
    if ch == 'a':
        return True
    elif ch == 'e':
        return True
    elif ch == 'i':
        return True
# not finished....
      
  
def is_vowel(ch):
    if ch == 'a' or ch == 'e' or ch == 'i' \
    or ch == 'o' or ch == 'u':
        return True 
# is this finished?

def is_vowel2(ch):
    c = "aeiou".count(ch)
    if c>0:
        return True
    else:
        return False
    
def is_vowel3(ch):
    return "aeiou".count(ch)>0