import random
import math

def name_to_number(name):
    # delete the follwing pass statement and fill in your code below
    if name == "rock":
        name = 0
    elif name == "Spock":
        name = 1
    elif name == "paper":
        name = 2
    elif name == "lizard":
        name = 3
    else:
        name = 4
    return name

def number_to_name(number):
    # delete the follwing pass statement and fill in your code below
    if number == 0:
        number = "rock"
    elif number == 1:
        number = "Spock"
    elif number == 2:
        number = "paper"
    elif number == 3:
        number = "lizard"
    else:
        number = "scissors"
    return number

def rpsls(player_choice):

    print("")
    player_number = name_to_number(player_choice)
    print("Player choice", number_to_name (player_number))
    computer_number = random.randrange(0, 5)
    computer_name = number_to_name(computer_number)
    print("Computer choice", computer_name)
    difference = (player_number - computer_number) % 5
    if difference == 0:
        print("Player and Computer tie!")
    elif difference == 1:
        print("Player is declared winner!")
    elif difference == 2:
        print("Player is declared winner!")
    elif difference == 3:
        print("Computer is declared winner!")
    else:
        print("Computer is declared winner!")
    return("")

rpsls("rock")
rpsls("Spock")
rpsls("paper")
rpsls("lizard")
rpsls("scissors")