wat.py

def number_to_name(number):
    return _number_to_name[number]

def rpsls(player_choice):
    # delete the following pass statement and fill in your code below

    # print a blank line to separate consecutive games
    print ""
    # print out the message for the player's choice
    print "Player chooses " + player_choice
    # convert the player's choice to player_number using the function name_to_number()
    player_number = name_to_number(player_choice)
    # compute random guess for comp_number using random.randrange()
    comp_number = random.randrange(4)
    # convert comp_number to comp_choice using the function number_to_name()
    comp_name = number_to_name(comp_number)
    # print out the message for computer's choice
    print "Computer chooses {}".format(comp_name

python wat.py 

Player chooses rock
Computer chooses rock

Player chooses Spock
Computer chooses rock

Player chooses paper
Computer chooses lizard

Player chooses lizard
Computer chooses lizard

Player chooses scissors
Computer chooses paper