โปรแกรมข้อความแรกของคุณใน Python

Enough theory, let us write real Python. Your first NLP program will read a sentence and count its words. 🐍

In Python, a piece of text is a string, written inside quotes. It is the basic container for every word you process.

Use print to show a value on screen. It is the simplest way to check that your text loaded correctly.

The split method breaks a string at the spaces, handing you back a clean list of individual words.

That result is a list, your very first set of tokens. Each item is one word, ready to be counted or examined.

Wrap the list in len to count its items. This single function tells you how many words the sentence holds.

A few lines do real NLP: store text, split it, and count the words. You just built a tiny word counter.

Swap in any sentence you like and run it again. The same three lines work on a tweet, a review, or a poem.

Call len on the string itself, not the list, and you count characters instead, spaces included.

Counting words feels small, but it is the foundation. Every advanced model still begins by splitting text into pieces.

You wrote and understood a working NLP program. From here you only add steps, never start from scratch again. 🎉

You have a string in words after calling split. How do you count the words?

You stored text in a string, split it into a list, and counted with len: your first real NLP program in Python. 🏆