Find the number of characters in a file using Python

Question

Here is the question:

I have a file with these words:

hey how are you
I am fine and you
Yes I am fine

And it is asked to find the numbe

Answer 1

num_lines = sum(1 for line in open('filename.txt'))
num_words = sum(1 for word in open('filename.txt').read().split())
num_chars = sum(len(word) for word in open('filename.txt').read().split())