Count the number of words in a string

count_words.py

# Method 1
from collections import defaultdict

def count_words(string):
    '''count number of times each word apppears in a string'''
    counts = defaultdict(int)
    for word in string.split():
        counts[word] += 1
    return counts
  
# Method 2
from collections import Counter
def count_words(string):
  '''Count number of times each word appears in a string'''
  counts = Counter(string.split())
  return counts