''' Purpose: determine the length and number of vowels of a user-specified word
'''

# HELPFUL CONSTANT

LOWER_CASE_VOWELS = 'aeiou'                 # defines a string -- which is a sequence of characters

# get the input
reply = input( 'Enter a word: ' )

# clean it up
stripped = reply.strip()                    # remove white space
word     = stripped.lower()

# determine and report its length
n = len( word )
print( n )
print()

# determine and report the total of the number of occurrences of each of the vowels

# one way to do it is to have a separate line for vowel counting.
a_occurrences = word.count( 'a' )           # counting number of a's
e_occurrences = word.count( 'e' )           # counting number of e's
i_occurrences = word.count( 'i' )           # counting number of i's
o_occurrences = word.count( 'o' )           # counting number of o's
u_occurrences = word.count( 'u' )           # counting number of u's

total_occurrences = a_occurrences + e_occurrences + i_occurrences + o_occurrences + u_occurrences

print( total_occurrences )
print()

# another way to do it is with a loop that considers all of the vowels in turn.

nbr_vowels = 0                              # an integer accumulator -- starts off with zero
                                            # as we have not done any counting yet

for v in LOWER_CASE_VOWELS :                # this iterates on an individual character in a
                                            # sequence of characters making up LOWER_CASE_VOWELS

    current_count = word.count( v )         # word.count( v ) returns the number of occurrences
                                            # of the value of variable v in our word; i.e.,
                                            # we are going to count the number of times the
                                            # current vowel in v occurs in word

    print( word, v, current_count )         # print out what we know

    nbr_vowels = nbr_vowels + current_count # need to update the accumulator with the latest
                                            # vowel count

print( nbr_vowels )                         # print the total number of vowels in the word