Why does the function output only the first line?

Question

Python

Help me understand the problem: why does my code output only the first line of the document?

Document text:

testing text, is this working???
yes
guess so
maybe yes or maybe not
maybe yes or maybe not

The code:

f = open('kittenB00ks.txt', 'r')


def bruhhhhhhh():
    for i in f:
        return i


print(bruhhhhhhh())

f.close()

Answer 1

Because the operator returnterminates the function.