''' Purpose: show a while statement
'''

# set loop decision variable
looking_for_a_yes_or_no = True # = this is assignment - we are telling python that this variable should
# hold the value True

# always want to initialize your while loop loop variables to True so you enter the loop
counter = 0
while ( looking_for_a_yes_or_no == True ) : # repeat while looking
        # == this is comparison, we're checking if what is stored in the variable is True
        # is the == True necessary? no. looking_for_yes_or_no is a boolean variable, it only stores True or False
        # if we had while( looking_for_a_yes_or_no ) it would work the same
        # put the == True if that's what works best for you, typically does work best for intro coders!!
    # get cleaned up response
    reply = input( 'Enter (yes / no): ' ) # get some sort of input
    reply = reply.strip() # clean that up
    reply = reply.lower() # lowercase it so it is easier to check
    print(reply)
    counter = counter + 1
    # check for valid response.
    if ( reply in [ 'yes', 'no' ] ) : # in is a keyword that will return True or False.
        # got one
        # break will get you out of the loop
        looking_for_a_yes_or_no = False #if True we change our loop variable because we are done looping

        # have to update the loop variable or we will be infinitely looping and no one wants to be infinitely looping
    elif ( counter == 10 ) :
        print( "You can't follow directions :(" )
        break
print( reply )