If somebody asks me if i need help on my work and i say " no ty " , is that rude

Pthreads programming: create and terminate a thread write a c++ program that creates a thread. the main will display a message “hello world from the main”. the main will create a thread that will display a message “hello world from the thread” and then terminates with a call to pthread_exit()

If a client wants to make minor edits, what should he/she use?

Which of the following commands is more recommended while creating a bot?