SymPy | Subset.bitlist_from_subset() in Python

SymPy | Subset.cardinality() in Python

Last Updated : 26 Aug, 2019

Subset.cardinality() : cardinality() is a sympy Python library function that returns the number of all possible subsets.

Syntax :
sympy.combinatorics.subset.Subset.cardinality()

Return :
number of all possible subsets

Code #1 : cardinality() Example

# Python code explaining 
# SymPy.Subset.cardinality() 
  
# importing SymPy libraries 
from sympy.combinatorics import Permutation, Cycle 
from sympy.combinatorics.subsets import Subset 
  
# Using from  
# sympy.combinatorics.subset.Subsets.cardinality() 
  
# Creating Subset 
a = Subset(['c', 'd'], ['geek', 'for', 'c', 'd']) 
  
# cardinality value 
print ("Subset a cardinality : ", a.cardinality) 

Output :

Subset a cardinality : 16

Code #2 : cardinality() Example

# Python code explaining 
# SymPy.Subset.cardinality() 
  
# importing SymPy libraries 
from sympy.combinatorics import Permutation, Cycle 
from sympy.combinatorics.subsets import Subset 
  
# Using from  
# sympy.combinatorics.subset.Subsets.cardinality() 
  
# Creating Subset 
a = Subset(['c', 'd'], ['23', 'c', 'd']) 
  
  
# cardinality value 
print ("Subset a cardinality : ", a.cardinality) 

Output :

Subset a cardinality : 8

SymPy | Subset.bitlist_from_subset() in Python

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