#CHECKING WHETHER A VALUE IS NOT IN A LIST

banned_users = ['andrew', 'carolina', 'david']
user = 'marie'

if user not in banned_users:
	print(f"{user.title()}, you can post a response if you wish.")

#didn't know "not in" was a keyword.

#BOOLEAN EXPRESSIONS
#A Boolean expression is another name for a conditional test.
#A Boolean expression is eith True or False, just like the value of a condition
#after it has been evaluated.
#Boolean values are often used to keep track of certain conditions, such as 
#whether a game is running or whther a user can edit certain content on a website:
game_active = True
can_edit = False
#boolean values provide an efficient way to track the state of a program 
#or a particular condition that is important in your program.



