SymPy | Prufer.rank() in Python Last Updated : 26 Aug, 2019 Improve Improve Like Article Like Save Share Report Prufer.rank() : rank() is a sympy Python library function that returns the rank of the Prufer sequence. Syntax : sympy.combinatorics.Prufer.prufer.rank() Return : rank of the Prufer sequence Code #1 : rank() Example # Python code explaining # SymPy.Prufer.rank() # importing SymPy libraries from sympy.combinatorics import Permutation, Cycle from sympy.combinatorics.prufer import Prufer # Using from # sympy.combinatorics.prufer.Prufer.rank() # Creating Prufer a = Prufer([1, 2, 3], [2, 4, 5]) # rank value print ("Prufer a rank : ", a.rank) Output : Prufer a rank : 38 Code #2 : rank() Example # Python code explaining # SymPy.Prufer.rank() # importing SymPy libraries from sympy.combinatorics import Permutation, Cycle from sympy.combinatorics.prufer import Prufer # Using from # sympy.combinatorics.prufer.Prufer.rank() # Creating Prufer b = Prufer([1, 2, 3, 2, 4, 5], [6, 7], [8]) # rank value print ("Prufer b rank : ", b.rank) Output : Prufer b rank : 42661 Like Article Suggest improvement Previous Single Page Portfolio Using Flask Next SymPy | Prufer.size() in Python Share your thoughts in the comments Add Your Comment Please Login to comment...