Counting the vowels

There are many ways to count the vowels in python, here is one

# Program to count vowels in given sentence

count=0

vowels={'a':0,'e':0,'i':0,'o':0,'u':0}

print "Program to count vowels in given sentence"

sentence=raw_input('Enter sentence? ')

for i in sentence:

if i.lower() in vowels.keys():

count+=1

vowels[i.lower()]+=1

print "Vowel count:", count

print "Each vowel count"

for k,v in vowels.items():

print '\t',k,':',v