SymPy | Permutation.runs() in Python

SymPy | Permutation.random() in Python

Last Updated : 27 Aug, 2019

Permutation.random() : random() is a sympy Python library function that returns the random permutation of length 'n'.

Syntax : sympy.combinatorics.permutations.Permutation.random() Return : random permutation of length

Code #1 : random() Example

Python3 1=1

# Python code explaining
# SymPy.Permutation.random()

# importing SymPy libraries
from sympy.combinatorics.partitions import Partition
from sympy.combinatorics.permutations import Permutation

# Using from sympy.combinatorics.permutations.Permutation.random() method 

# creating Permutation
a = Permutation([[2, 0], [3, 1]])

b = Permutation([1, 3, 5, 4, 2, 0])


print ("Permutation a - random form : ", a.random(2))
print ("Permutation b - random form : ", b.random(5))

Output :

Permutation a - random form : (1) Permutation b - random form : (4)

Code #2 : random() Example - 2D Permutation

Python3 1=1

# Python code explaining
# SymPy.Permutation.random()

# importing SymPy libraries
from sympy.combinatorics.partitions import Partition
from sympy.combinatorics.permutations import Permutation

# Using from 
# sympy.combinatorics.permutations.Permutation.random() method 

# creating Permutation
a = Permutation([[2, 4, 0], 
                 [3, 1, 2],
                 [1, 5, 6]])


print ("Permutation a - random form : ", a.random(4))

Output :

Permutation a - random form : (0 1 2 3)

SymPy | Permutation.runs() in Python

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