parameters: (self)
docstring: If the reference is in SPAdes contig format, then this function returns the number of the
          contig with the sign from the alignment.
docstring_summary: If the reference is in SPAdes contig format, then this function returns the number of the
          contig with the sign from the alignment.
docstring_tokens: If the reference is in SPAdes contig format then this function returns the number of the contig with the sign from the alignment .
function: def get_signed_ref_num(self):
          """
          If the reference is in SPAdes contig format, then this function returns the number of the
          contig with the sign from the alignment.
          """
          if self.rev_comp:
              return -self.ref.number
          else:
              return self.ref.number
function_tokens: def get_signed_ref_num ( self ) : if self . rev_comp : return - self . ref . number else : return self . ref . number