python string

sen = "Today is Thursday"
word_count = 0
for letter in sen:
if letter == ' ':
word_count+=1
else:
print(word_count)

sentence count:
sen = "Today is Thursday. Tomorrow is Friday."
sentence_count = 0
for letter in sen:
if letter == '.':
sentence_count+=1
else:
print(sentence_count)

count of vowels

name = 'saravanan'
vowel = 'a'
count = 0
for letter in name:
if letter == vowel:
count+=1
else:
print(count)

name = 'saravanan'
vowel = 'a'
count = 0
for letter in name:
if letter == vowel or
count+=1
else:
print(count)