Pregunta

Tengo las 52 tarjetas configuradas e intento imprimir las 52 tarjetas usando for loop.No sé cómo configurar mi for loop en este punto.

def define_cards(n):
    rank_string = ("ace","two","three","four","five","six","seven","eight","nine","ten","jack","queen","king")
    suit_string = ("clubs","diamonds","hearts","spades")
    cards = []
    for suit in range(4):
        for rank in range(13):
            card_string = rank_string[rank] + " of " + suit_string[suit]
            cards.append(card_string)

print "The cards are:"
for i in range(52):              #how to make this for loop work??
    print i, card_string[i]

quiero imprimir asi

The crads are:
0 ace of clubs
1 two of clubs
2 three of clubs
...
49 jack of spades
50 queen of spades
51 king of spades
¿Fue útil?

Solución

Tu función define_cards tiene que devolver la lista.Agregar return cards al final.

Entonces tienes que llamar/ejecutar esta función.

Luego podrá acceder a tarjetas individuales en esta lista:

cards = define_cards()
for i, card in enumerate(cards):
    print i, card

Sin embargo, si está buscando una solución "más pitónica", pruebe esto:

import itertools as it

rank_string = ("ace","two","three","four","five","six","seven","eight","nine","ten","jack","queen","king")
suit_string = ("clubs","diamonds","hearts","spades")

print 'The cards are:'
for i, card in enumerate(it.product(rank_string, suit_string)):
    print i, '{0[1]} of {0[0]}'.format(card)

Otros consejos

Mira solo esto

    cards.append(card_string)

print "The cards are:"
for i in range(52):              #how to make this for loop work??
    print i, card_string[i]

¿Por qué imprimir? card_string[i]?

Qué hay de malo en cards[i]?

ranks = ("ace","two","three","four","five","six","seven","eight","nine","ten","jack","queen","king")
suits = ("clubs","diamonds","hearts","spades")

La respuesta es una elegante frase:

cards = [rank+' of '+suit for suit in suits for rank in ranks]

for i,card in enumerate(cards):
    print i, card

Resultado:

0 ace of clubs
1 two of clubs
...
50 queen of spades
51 king of spades
def define_cards():
    rank_string = ("ace","two","three","four","five","six","seven","eight","nine","ten","jack","queen","king")
    suit_string = ("clubs","diamonds","hearts","spades")
    cards = []
    n = 0
    for suit in suit_string:
        for rank in rank_string:
            print '%s %s of %s' % (n,rank,suit)
            n+=1

define_cards()

¿Por qué no utilizar un iterador?

def define_cards():
    rank_string = ("ace","two","three","four","five","six","seven","eight","nine","ten","jack","queen","king")
    suit_string = ("clubs","diamonds","hearts","spades")
    for suit in suit_string:      # you can obtain the items of the iterate list directly, no need of rank access
        for rank in rank_string:
            card_string = rank + " of " + suit
            yield card_string

print "The cards are:"
cards_iterator = define_cards()
for i, card in enumerate(cards_iterator):   # use the iterator power ;)
    print i, card
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