code: def is_subscriptable_in_unicode(subscript):
      """
      Checks whether a string is subscriptable in unicode or not.
  
      Parameters
      ==========
  
      subscript: the string which needs to be checked
  
      Examples
      ========
  
      >>> from sympy.printing.pretty.pretty_symbology import is_subscriptable_in_unicode
      >>> is_subscriptable_in_unicode('abc')
      False
      >>> is_subscriptable_in_unicode('123')
      True
  
      """
      return all(character in sub for character in subscript)
  
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 15 for calling a global function with example usage: is_subscriptable_in_unicode(subscript) and returns: all