How do I get random values from nested dictionaries?

How do I get random values from nested dictionaries?

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I can get one random value from the deck variable, using random.choice(list(deck.keys()))

Why don't you just repeat that? First, randomly select the suit, then randomly select the card.

suit = random.choice(list(deck))
value = random.choice(list(deck[suit]))
print(suit, value)

Might print for example:

Diamonds Fives

(You can omit the .keys() when converting the keys to a list by the way.)

Also, I don't know if you need that or what those values are for, but you can then access the values inside for each card with deck[suit][value] like

print(deck[suit][value])

Which prints:

1

Python Nested Dictionary, How do I randomly select from a dictionary in python? return self.setdefault(key, ndict()) You can reference nested existing keys or ones that don't exist. You can safely use the bracket notation for access rather than.get(). If a key doesn't exist on a NestedDict object, you will get back an empty NestedDict object.


Is this what your looking for?

suit = random.choice(list(deck))
value = random.choice(list(deck[suit]))

For example:

from random import choice

deck = {'Spades': {'Aces':1, 'Twos': 1, 'Threes': 1, 'Fours': 1, 'Fives': 1, 'Sixes': 1, 'Sevens': 1, 'Eights': 1, 'Nines': 1, 'Tens': 1, 'Jacks': 1, 'Queens': 1, 'Kings': 1},
'Diamonds': {'Aces':1, 'Twos': 1, 'Threes': 1, 'Fours': 1, 'Fives': 1, 'Sixes': 1, 'Sevens': 1, 'Eights': 1, 'Nines': 1, 'Tens': 1, 'Jacks': 1, 'Queens': 1, 'Kings': 1},
'Hearts': {'Aces':1, 'Twos': 1, 'Threes': 1, 'Fours': 1, 'Fives': 1, 'Sixes': 1, 'Sevens': 1, 'Eights': 1, 'Nines': 1, 'Tens': 1, 'Jacks': 1, 'Queens': 1, 'Kings': 1},
'Clubs': {'Aces':1, 'Twos': 1, 'Threes': 1, 'Fours': 1, 'Fives': 1, 'Sixes': 1, 'Sevens': 1, 'Eights': 1, 'Nines': 1, 'Tens': 1, 'Jacks': 1, 'Queens': 1, 'Kings': 1}}

suit = choice(list(deck))
value = choice(list(deck[suit]))

print(suit, value)

Prints:

Clubs Sixes

How to get a random value from dictionary in python, dicts, their problems could be solved slightly more easily by using a dict with tuples for keys. Use the built-in update() method to merge the keys and values of one nested dictionary into another. Note that this method blindly overwrites values of the same key if there’s a clash. Note that this method blindly overwrites values of the same key if there’s a clash.


First, select a suit randomly as you do now.

suit = random.choice(list(deck.keys()))

Then access the dictionary of cards of that particular suit, and randomly choose the card in the same way.

random.choice(list(deck[suit].keys()))

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