count characters in python code example

Example 1: count how many vowels in a string python

def vowel_count(string):
  vowels = ['a', 'e', 'i', 'o', 'u']
  return len([i for i in string if i in vowels])

Example 2: check how many letters in a string python

#use the built in function len()

len("hello")

#or you can count the characters in a string variable

a = "word"
len(a)