Cards Game 7: code refined

from random import shuffle

def createAndMix():
    'Create the cards and give it a shuffle'
    global cards
    cards = [str(num)+color for num in range(1,11) for color in ['♥','♦','♣','♠']]
    shuffle(cards)

def firstHand():
    'give 3 cards to pc1 and pick up the briscola'
    global pc1
    global briscola
    briscola = cards.pop()
    pc1 = [cards.pop() for x in range(3)]

def noBriscola(cards):
    'Creates a list without briscola'
    cardschoice = []
    for c in cards:
        card_color = c[-1]
        briscola_color = briscola[-1]
        match = card_color == briscola_color
        if not match:
            cardschoice += [c]
    return cardschoice

def play():     
    pc1v = [] # valori
    pc1c = [] # semi
    for i in nobriscola:
        if int(i[:-1])==1:          pc1v+= [11]
        elif int(i[:-1])==3:        pc1v+= [10]
        elif int(i[:-1])==10:       pc1v+= [4]
        elif int(i[:-1])==9:        pc1v+= [3]
        elif int(i[:-1])==8:        pc1v+= [2]
        else:                       pc1v += [int(i[:-1])-7] # lista valori
        pc1c += i[-1]         # This creates a list of seeds
    pcmin = min(pc1v)         # minimo dei valori
    for i in pc1v:            # look for the minimum value
        if i == pcmin:
            cartascelta = nobriscola[pc1v.index(pcmin)]
            return cartascelta

if __name__=='__main__':
    createAndMix()                 # Shuffle the cards
    firstHand()                    # pick briscola and 3 cards for pc1
    nobriscola = noBriscola(pc1)   # 3 cards - briscole of pc1
    pc1p = play()                  # memorize the cards pc1 wants to play
    ########       for the output     ##################
    print("The briscola is:", briscola)
    print("PC1 has: ", pc1, "=> without briscola",nobriscola)
    print("PC1 plays:", pc1p)

The briscola is: 10♣
PC1 has:  ['10♦', '2♣', '3♠'] => without briscola ['10♦', '3♠']
PC1 plays: 10♦