# SymPy | Permutation.size() in Python

Permutation.size() : size() is a sympy Python library function that returns the number of elements in the permutation.

Syntax : sympy.combinatorics.permutations.Permutation.size()

Return : number of elements in the permutation.

Code #1 : size() Example

 `# Python code explaining ` `# SymPy.Permutation.size() ` ` `  `# importing SymPy libraries ` `from` `sympy.combinatorics.partitions ``import` `Partition ` `from` `sympy.combinatorics.permutations ``import` `Permutation ` ` `  `# Using from  ` `# sympy.combinatorics.permutations.Permutation.size() method  ` ` `  `# creating Permutation ` `a ``=` `Permutation([[``2``, ``0``], [``3``, ``1``]]) ` ` `  `b ``=` `Permutation([``1``, ``3``, ``5``, ``4``, ``2``, ``0``]) ` ` `  ` `  `print` `(``"Permutation a - size form : "``, a.size) ` `print` `(``"Permutation b - size form : "``, b.size) `

Output :

Permutation a – size form : 4
Permutation b – size form : 6

Code #2 : size() Example

 `# Python code explaining ` `# SymPy.Permutation.size() ` ` `  `# importing SymPy libraries ` `from` `sympy.combinatorics.partitions ``import` `Partition ` `from` `sympy.combinatorics.permutations ``import` `Permutation ` ` `  `# Using from  ` `# sympy.combinatorics.permutations.Permutation.size() method  ` ` `  `# creating Permutation ` `a ``=` `Permutation([[``2``, ``4``, ``0``],  ` `                 ``[``3``, ``1``, ``2``], ` `                 ``[``1``, ``5``, ``6``]]) ` ` `  ` `  `print` `(``"Permutation a - size form : "``, a.size) `

Output :

Permutation a – size form : 7

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