Can you say output of this function is come as a none?

Question

from math import pi
print (pi)
print(help('math'))

Answer 1

~ swim ~ thanks🙏

Answer 2

You say

from math import pi
print (pi)
help

But only pi is execute not help why

Answer 3

~ swim ~ you say like

from math import pi
help(math)

This is not execute 😔

Answer 4

~ swim ~ can u tell me
file = open("filename.txt", "w")
# do stuff to the file
file.close()

How apply open file
My file is hi.py

Myname=("hi.py")

When I press enter then file will not run ... Error come 😔
Please told me why this is coming

Answer 5

I go to cause but dont understand

Answer 6

Please you tell how how to use open (file.text) with example

Answer 7

Suppose my file in name hi.pdf

In file some line like "my name is Shekhar " is present

So when I coding like

f=("hi.pdf")
print (f.read ())

In out put I get error why?
Not get pdf file which one "my name is shekha"