code: def xstr(*args):
      sympy_deprecation_warning(
          """
          The sympy.printing.pretty.pretty_symbology.xstr() function is
          deprecated. Use str() instead.
          """,
          deprecated_since_version="1.7",
          active_deprecations_target="deprecated-pretty-printing-functions",
      )
      return str(*args)
  
imports: import sys
  import warnings
  from string import ascii_lowercase, ascii_uppercase
  import unicodedata
  from sympy.printing.conventions import split_super_sub
  from sympy.core.alphabets import greeks
  from sympy.utilities.exceptions import sympy_deprecation_warning
label_desc: Use image node_id 4 for calling a global function with example usage: xstr() and returns: str