Why woudk I want a \n on my output?

Answer 1

\n won't be visible like this.

print('Hello\nWorld')

... will turn into this output:

Hello
World

Answer 2

Hello!
I will shortly introduce 2 popular programming languages.

Python:
Very powerful programming language in data science.

JavaScript:
Very powerful as web frontend programming language.

Without \n the same text would be like this:

Hello! I will shortly introduce 2 popular programming languages. Python: Very powerful programming language in data science. JavaScript: Very powerful as web frontend programming language.

\n represents a newline. Using newlines vicely increases readability of long texts.

Answer 3

dorjee wangchuk \n are reserved word for (N)ew line. Interpreter find first symbol - in this case that was be \ (backslash) and expect (by default) that next letter was predefined. In short, \n is "NEW LINE".

Answer 4

so that it looks good

Answer 5

By the way, "Hello \n World!" was display:
Hello
World!
without white space.