code: 
  '''simple docstring'''
  
  from __future__ import annotations
  
  
  def 	_UpperCAmelCase				(  _lowerCamelCase						:       List[str]  ,      _lowerCamelCase						:       List[str]		)    ->						list[int]:
    assert len(_lowerCamelCase		) == len(_lowerCamelCase		)
  
    _lowerCAmelCase       :  str   				=					len(_lowerCamelCase		)
    _lowerCAmelCase       :  Any   				=					list(range(_lowerCamelCase		)		)
    _lowerCAmelCase       :  Tuple   				=					[-1] * n  # who the donor has donated to
    _lowerCAmelCase       :  Any   				=					[-1] * n  # who the recipient has received from
    _lowerCAmelCase       :  int   				=					[0] * n
  
    while unmatched_donors:
      _lowerCAmelCase       :  Optional[Any]   				=					unmatched_donors[0]
      _lowerCAmelCase       :  str   				=					donor_pref[donor]
      _lowerCAmelCase       :  List[Any]   				=					donor_preference[num_donations[donor]]
      num_donations[donor] += 1
      _lowerCAmelCase       :  Union[str, Any]   				=					recipient_pref[recipient]
      _lowerCAmelCase       :  Optional[Any]   				=					rec_record[recipient]
  
      if prev_donor != -1:
        if rec_preference.index(_lowerCamelCase		) > rec_preference.index(_lowerCamelCase		):
          _lowerCAmelCase       :  Optional[Any]   				=					donor
          _lowerCAmelCase       :  int   				=					recipient
          unmatched_donors.append(_lowerCamelCase		)
          unmatched_donors.remove(_lowerCamelCase		)
      else:
        _lowerCAmelCase       :  Union[str, Any]   				=					donor
        _lowerCAmelCase       :  str   				=					recipient
        unmatched_donors.remove(_lowerCamelCase		)
    return donor_record
  
  
  
  
  
  
style_context: 
  '''simple docstring'''
  
  def 	_UpperCAmelCase				(  _lowerCamelCase						:       int  ,      _lowerCamelCase						:       int  ,      _lowerCamelCase						:       int		)    ->						float:
    if common_ratio == 1:
      # Formula for sum if common ratio is 1
      return num_of_terms * first_term
  
    # Formula for finding sum of n terms of a GeometricProgression
    return (first_term / (1 - common_ratio)) * (1 - common_ratio**num_of_terms)
  
  
  