Hi guys! Write a code to get number of coprimes to a given number less than the given number

Question

COPRIME: If gcd of two numbers is 1,then they are coprimes
eg: 9 is given no. then answer is 6. (1,2,4,5,7,8)

Answer 1

see it and review.

https://code.sololearn.com/c8wSXO3PtdXZ/?ref=app

Answer 2

as we input 15
what should be output 14 , 17 or 2?

Answer 3

It may have many coprimes
what you want least or largest or close to number greater, smaller

Answer 4

less than given no.

Answer 5

for input 15answer should be8

Answer 6

15 and 14 also coprimes dear
then why should be 8
15 and 13
15 and 11
can you tell me why 8 ??
as above given pairs are coprimes.

Answer 7

15-1,2,4,7,8,11,13,14 are coprimes total 8

Answer 8

okay okay
I got it.

Answer 9

I think You edited your question.
well, I try and just wait.

Answer 10

Tanq very much

Answer 11

One line
https://code.sololearn.com/chnldf5PEO5z/?ref=app