python program to count words in a string code example

Example 1: Python Program to Count the Occurrences of a Word in a Text File

#get file object reference to the file
file = open("C:\workspace\python\data.txt", "r")
#read content of file to string
data = file.read()
#get number of occurrences of the substring in the string
occurrences = data.count("python")
print('Number of occurrences of the word :', occurrences)

Example 2: count characters in string python

>>> sentence = 'Mary had a little lamb'
>>> sentence.count('a')
4