Answer:
def countup():
pass
def countdown():
pass
x = int(input("Choose a number: "))
if x >= 0:
countup()
if x < 0:
countdown()
Step-by-step explanation:
I start by getting a user input which is saved to variable called "x." I then make if statements to see whether is greater than, equal to, or less than 0. After that, I call the functions.