pairs.py

'''a memory game using 2d arrays'''
from random import shuffle

#function to print the grid
def print_grid(element):
    #print the grid of guesses
    for i in range(5):
        for j in range(4):
            if i +j ==0:
                print(' ', sep='', end='')
                print(' ',sep='',end='')
            if i == 0:
                print(j, sep='',end='')
                print(' ',sep='',end='')
            else:
                print(element[i-1][j],end='')
                print(' ',sep='',end='')
        print()
        print()
        if i < 4:
            print(i,sep='', end='')
            print(' ',sep='',end='')

def digit(user_input):
    '''make sure input is digit'''
    user_input_array = []
    if user_input.isdigit():
        #returns converted digit separated into an array
        user_input_array.append(int(user_input[0]))
        user_input_array.append(int(user_input[1]))
        return user_input_array
    else:
        return "alpha"


#the data
cards = ['A', 'A', 'A', 'A', 'K', 'K', 'K', 'K', 'Q', 'Q', 'Q', 'Q', 'J', 'J', 'J', 'J']
guesses = [['?','?','?','?',],['?','?','?','?',],['?','?','?','?',],['?','?','?','?',]]
shuffle(cards) #shuffle the deck
cards2d = [[],[],[],[]]
for i in range(16): # add the shuffled cards to the 2d array
    if i < 4:
        cards2d[0].append(cards[i])
    elif i < 9 and i > 4:
        cards2d[1].append(cards[i])
    elif i < 13 and i > 8:
        cards2d[2].append(cards[i])
    else:
        cards2d[3].append(cards[i])

print_grid(cards2d)
#print_grid(guesses)

#get user input and validate it
correct_guesses = 0
correct_coordinates = [[],[]]
print_grid(guesses)

while (correct_guesses < 8):
    valid_input = False
    while not valid_input:
        input1 = input('''Enter a card position by specifying the row position followed by the column position,
    (e.g. 12 for row 1 column 2): ''')
        guess1 = digit(input1)
        input2 = input('''Enter a card position by specifying the row position followed by the column position,
    (e.g. 12 for row 1 column 2): ''')
        guess2 = digit(input2)
        if guess1 == "alpha" or guess2 =="alpha":
            print('Only user integers!')
        elif guess1[0]>3 or guess2[0] >3 or guess1[0] <0 or guess2[0] <0 or guess1[1]>3 or guess2[1] >3 or guess1[1] <0 or guess2[1] <0 :
            print('Out of range!')
        elif input1 == input2:
            print("Guesses cannot be the same!")
        elif input1 in correct_coordinates[0] or input2 in correct_coordinates[1]:
            print("You've already guessed that!")
        else:
            valid_input = True

#check the arrays to see if user found a match
    user_row_guess1 = guess1[0]
    user_column_guess1 = guess1[1]
    card_guess1 = cards2d[user_row_guess1][user_column_guess1]
    #print(card_guess1)
    user_row_guess2 = guess2[0]
    user_column_guess2 = guess2[1]
    card_guess2 = cards2d[user_row_guess2][user_column_guess2]
    #print(card_guess2)

#tell the user the outsome and update the grid
    if card_guess1 == card_guess2:
        #uncomment these to display cards matched rather than x
#        guesses[user_row_guess1][user_column_guess1] = cards2d[user_row_guess1][user_column_guess1]
#        guesses[user_row_guess2][user_column_guess2] = cards2d[user_row_guess2][user_column_guess2]
        #comment out these two
        guesses[user_row_guess1][user_column_guess1] = 'X'
        guesses[user_row_guess2][user_column_guess2] = 'X'

        correct_coordinates[0].append(input1)
        correct_coordinates[1].append(input2)
        print(correct_coordinates)
        print("Match!")
        print_grid(guesses)
        correct_guesses +=1
    else:
        print("Unlucky!")
        print_grid(guesses)