code: def __init__(self, l, alpha, coeff, r):
      self.l = l
      self.alpha = alpha
      self.coeff = coeff
      self.r = r
      self.params = [self.alpha, self.coeff, self.r]
  
imports: from .basis_data import basis_sets, load_basisset
label_desc: Use image node_id 1 to create a new BasisFunction object  with example: obj = BasisFunction(l, alpha, coeff, r)