class_docstr: An ASCII picture.
  The pictures are represented as a list of equal length strings.
class_docstr_tok: ["An","ASCII","picture",".","The","pictures","are","represented","as","a","list","of","equal","length","strings","."]
code: def equalLengths(lines):
      # empty lines
      if not lines:
          return [""]
  
      width = max(line_width(line) for line in lines)
      return [center(line, width) for line in lines]
  
imports: import shutil
  from .pretty_symbology import hobj, vobj, xsym, xobj, pretty_use_unicode, line_width, center
  from sympy.utilities.exceptions import sympy_deprecation_warning
label_desc: Use image node_id 2 for calling the stringPict obj's underlying member method code with example usage: obj.equalLengths(lines) and returns: unknown, list