[B0PS]

Write a function named shuffle() that randomizes the order of a deck of 52 cards stored in a list. To achieve this, visit each element in the list and swap it with another random element in the list. You must write your own loop to shuffle the cards. You cannot make use of Python’s built-in shuffle function.

Any idea how to go about doing this I've been googling all day and have been messing around with stuff but so far nothing

[captainspalding]

You have some boilerplate code for this challenge?

[B0PS]

Code

#1.
def createDeck():
    deckComplete = [As, Ah, Ad, Ac, Ks, Kh, Kd, Kc, Js , Jh, Jd, Jc, Qs, Qh, Qd, Qc, Ts, Th, Td, Tc, 9s, 9h, 9d, 9c, 8s, 8h, 8d, 8c, 7s, 7h, 7d, 7c, 6s, 6h, 6d, 6c, 5s, 5h, 5d, 5c, 4s, 4h, 4d, 4c, 3s, 3h, 3d, 3c, 2s, 2h, 2d, 2c]
    return deckComplete
#2.
def shuffle():
    index = 0
    while index < len(deckcomplete):

[Goodies]

Well, it's not that hard:

PHP Code


<?php 
from random import SystemRandom
random = SystemRandom()

def shuffle(lst):
    size = len(lst)
    for i in range(size):
        r = random.randint(0, size - 1)
        lst[r], lst[i] = lst[i], lst[r] 


Usage:

PHP Code


<?php 
Python 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 07:18:10) [MSC v.1900 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> from random import SystemRandom
>>> random = SystemRandom()
>>>
>>> def shuffle(lst):
...     size = len(lst)
...     for i in range(size):
...         r = random.randint(0, size - 1)
...         lst[r], lst[i] = lst[i], lst[r]
...
>>> x = list(range(10))
>>> x
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
>>> shuffle(x)
>>> x
[4, 9, 0, 7, 5, 2, 8, 3, 1, 6]
>>> shuffle(x)
>>> x
[7, 8, 9, 1, 3, 2, 0, 6, 5, 4]
>>> 


[B0PS]

Code

#1.
def createDeck():
    deckComplete = [As, Ah, Ad, Ac, Ks, Kh, Kd, Kc, Js , Jh, Jd, Jc, Qs, Qh, Qd, Qc, Ts, Th, Td, Tc, 9s, 9h, 9d, 9c, 8s, 8h, 8d, 8c, 7s, 7h, 7d, 7c, 6s, 6h, 6d, 6c, 5s, 5h, 5d, 5c, 4s, 4h, 4d, 4c, 3s, 3h, 3d, 3c, 2s, 2h, 2d, 2c]
    return deckComplete
#2.
from random import SystemRandom
random = SystemRandom()

def shuffle(deckComplete):
    size = len(deckComplete)
    for i in range(size):
        r = random.randint(0, size - 1)
        deckComplete[r], deckComplete[i] = deckComplete[i], deckComplete[r]
    return deckComplete

So would that possibly work? this is using python 3.6.0b3

[Riԁdle]

Here's my go probably not better than goodies.

PHP Code


<?php 
from random import randint

ordered_list = ["A", "B", "C", "D", "E", "F"]


def shuffle_deck(unshuffed_deck):
    shuffled_deck = []
    for _ in unshuffed_deck:
        shuffled_deck.append(unshuffed_deck[randint(0, len(unshuffed_deck) - 1)])
    return shuffled_deck

for _ in range(10):
    print(shuffle_deck(ordered_list)) 


output:

Code

['E', 'B', 'C', 'C', 'E', 'B']
['C', 'D', 'B', 'D', 'D', 'B']
['D', 'E', 'E', 'B', 'B', 'D']
['B', 'E', 'D', 'B', 'E', 'F']
['D', 'B', 'D', 'B', 'E', 'E']
['B', 'B', 'E', 'D', 'F', 'A']
['D', 'D', 'A', 'C', 'B', 'A']
['C', 'E', 'A', 'C', 'B', 'B']
['B', 'C', 'A', 'F', 'B', 'B']
['A', 'B', 'B', 'B', 'A', 'C']