How to do the following or type it in R studio. Thanks in advance!

$3)$ Use a $$for$$ loop to print out the name of the city where you are

from $10$ times.

$4)$ Write a new function called $$fact$$ in R which computes the

factorial of a positive integer. The factorial function is defined as

follows:

x$!=1\backslash$times $2\backslash$times $3\backslash$times $\backslash$times x$,$ where x is a positive integer.

For example, $3!=1\backslash$times $2\backslash$times $3=6.$

You may use a $$while$$ loop when coding the function.