Full name
math.perm
Library
math
Syntax
math.perm(n, k = None)
Description
The math.perm function returns the number of permutations without repetition of n elements grouped in blocks of k elements.
If the parameter k is not specified or if it takes the value None, k defaults to n and the function returns n!.
Parameters
- n: Integer representing the number of elements to group.
- k: Integer representing the size of the groups.
Result
The result of math.perm is an integer.
Examples
We can obtain the number of possible permutations of 6 elements grouped in blocks of 3 with the following code:
math.perm(6, 3)
120
