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2 matches
Algorithms & data structures easy

How to Generate Permutations of Length r in Python

Generate and print all r-length permutations of a list using Python's itertools.permutations.

permutations itertools combinations
Python
from itertools import permutations

def show_permutations(items, r):
    result = list(permutations(items, r))
    for perm in result:
        print(perm)
    print(f"Total: {len(result)}")

if __name__ == "__main__":
    data = ["A", "B", "C"]
    show_permutations(data, 2)
15 0 Open
Comprehensions & generators easy

How to Generate Permutations of Length r in Python

Generate all ordered arrangements of length r from a given list of elements using itertools.permutations.

permutations itertools combinatorics
Python
from itertools import permutations

def generate_permutations(elements, r):
    """Generate all r-length permutations of the given elements."""
    return list(permutations(elements, r))

if __name__ == "__main__":
    elements = ['A', 'B', 'C']
    r = 2
    result = generate_permutations(elements, r)
    print(f"Ele…
14 0 Open

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