class_docstr: Graph super class containing generic common functions
class_docstr_tok: ["Graph","super","class","containing","generic","common","functions"]
docstr: Convenience function to get the x_label of a value index
code: def _get_x_label(self, i):
      """Convenience function to get the x_label of a value index"""
      if (
          not self.x_labels
          or not self._x_labels
          or len(self._x_labels) <= i
      ):
          return
      return self._x_labels[i][0]
  
imports: from math import ceil, cos, sin, sqrt
  from pygal import stats
  from pygal._compat import is_list_like
  from pygal.graph.public import PublicApi
  from pygal.interpolate import INTERPOLATIONS
  from pygal.util import cached_property, compute_scale, cut, decorate, filter_kwargs, get_text_box, get_texts_box, majorize, rad, reverse_text_len, split_title, truncate
  from pygal.view import LogView, ReverseView, View, XYLogView
label_desc: Use image node_id 18 for calling the Graph obj's underlying member method code with example usage: obj._get_x_label(i) and returns: self