code: def element_sym_from_Z(Z, normalize=False):
      '''Obtain an element's symbol from its Z number
  
      An exception is thrown if the Z number is not found
  
      If normalize is True, the first letter will be capitalized
      '''
  
      r = element_data_from_Z(Z)[0]
      if normalize:
          return r.capitalize()
      else:
          return f element_sym_from_Z(Z, normalize=False):
      '''Obtain an element's symbol from its Z number
  
      An exception is thrown if the Z number is not found
  
      If normalize is True, the first letter will be capitalized
      '''
  
      r = element_data_from_Z(Z)[0]
      if normalize:
          return r.capitalize()
      else:
          return r
docs: Obtain an element's symbol from its Z number
  
      An exception is thrown if the Z number is not found
  
      If normalize is True, the first letter will be capitalized