Rock Paper Scissors Lizard Spock - Written in Python

rpsls_py

import difflib
import random
def name_to_number(x):
    '''
    Coverts player choice to number.
    '''
    #Uses dict rather than conditionals.
    my_dict = {'rock':0, 'Spock':1, 'paper':2, 'lizard':3, 'scissors':4}
    #returns the value associated with the string key
    return my_dict[x]

def number_to_name(x):
    '''
    Takes number from name_to_number and converts back to name.
    '''
    #Using dict rather than conditionals
    my_dict = {0:'rock', 1:'Spock', 2:'paper', 3:'lizard', 4:'scissors'}
    #returns the value associated with the string key
    return my_dict[x]

def winners(x,y):
    '''
    Defines the winner or the rpsls round
    '''
    if x==y:
        return 'Player and computer tie.'
    elif (name_to_number(x)-name_to_number(y))%5 < 3:
        return 'Player wins!'
    else:
        return 'Computer wins!'

def computer_choose():
    '''
    Defines computers choice randomly.
    '''
    #Would be worth tracking player choices and alter probability of choice.
    y = number_to_name(random.randrange(0,5))
    return(y)

def rpsls(x):
    '''
    Plays a round of rpsls. Fuzzy matching for misspelling.
    '''
    pos = ['rock','Spock','paper','lizard','scissors']
    if x not in pos:
        print "%s is not a playable choice. Will take best guess at what you mean:\n" %(x)
        x = difflib.get_close_matches(x, pos, n=1)
        if not x:
             raise Exception("Nope! Could not figure out what you meant. try again.")
        else:
            x = str(x).strip('[\']')
    y = computer_choose()
    print 'Player chooses %s' %(x)
    print 'Computer chooses %s' %(y)
    print winners(x,y)
    print '\n'

    
# test your code - LEAVE THESE CALLS IN YOUR SUBMITTED CODE
rpsls('rock')
rpsls('Spock')
rpsls('paper')
rpsls('lizard')
rpsls('scissors')