len([c for l in open('foo.txt') for c in l if c.isupper()])

Write a one-liner that will count the number of capital letters in a file. Your code should work even if the file is too big to fit in memory.

Question Posted / mahesh

Answer Posted / mahesh

Is This Answer Correct ?

0 Yes

0 No

Please Help Members By Posting Answers For Below Questions

How does ternary operator work in python?

875

Why is not__getattr__invoked when attr==’__str__’?

938

What is __ doc __ in python?

797

What is frozen set in python 3?

790

How to retrieve data from a table in mysql database through python code?

832

Difference between python list comprehension vs. Map?

916

Explain about cookies in python?

798

Can you sort a dictionary python?

794

What does the continue do in python?

774

What is decorator in python?

801

How is numpy different from scipy?

848

What does [::-1} do?

773

What are the benefits of using python? What do you understand of pep 8?

828

What is hierarchical inheritance?

835

What are python variables?

838