def 	UpperCAmelCase       (		lowerCAmelCase_						,      lowerCAmelCase_						,      lowerCAmelCase_						,      lowerCAmelCase_						,      lowerCAmelCase_						,      lowerCAmelCase_						,      )	->	tuple[list[list[int]], list[list[str]]]:
     a  :    int				=						list(lowerCAmelCase_       )
     a  :    Any				=						list(lowerCAmelCase_       )
     a  :    int				=						len(lowerCAmelCase_       )
     a  :    List[Any]				=						len(lowerCAmelCase_       )

     a  :    str				=						[
         [0 for _ in range(len_destination_seq + 1       )] for _ in range(len_source_seq + 1       )
     ]
     a  :    Optional[int]				=						[
         ['''0''' for _ in range(len_destination_seq + 1       )] for _ in range(len_source_seq + 1       )
     ]

     for i in range(1						,      len_source_seq + 1       ):
          a  :    Dict				=						i * delete_cost
          a  :    List[Any]				=						f"""D{source_seq[i - 1]:c}"""

     for i in range(1						,      len_destination_seq + 1       ):
          a  :    str				=						i * insert_cost
          a  :    List[Any]				=						f"""I{destination_seq[i - 1]:c}"""

     for i in range(1						,      len_source_seq + 1       ):
          for j in range(1						,      len_destination_seq + 1       ):
               if source_seq[i - 1] == destination_seq[j - 1]:
                    a  :    int				=						costs[i - 1][j - 1] + copy_cost
                    a  :    Union[str, Any]				=						f"""C{source_seq[i - 1]:c}"""
               else:
                    a  :    Any				=						costs[i - 1][j - 1] + replace_cost
                    a  :    int				=						f"""R{source_seq[i - 1]:c}""" + str(destination_seq[j - 1]       )

               if costs[i - 1][j] + delete_cost < costs[i][j]:
                    a  :    Any				=						costs[i - 1][j] + delete_cost
                    a  :    int				=						f"""D{source_seq[i - 1]:c}"""

               if costs[i][j - 1] + insert_cost < costs[i][j]:
                    a  :    Dict				=						costs[i][j - 1] + insert_cost
                    a  :    Union[str, Any]				=						f"""I{destination_seq[j - 1]:c}"""

     return costs, ops







def 	UpperCAmelCase       (		lowerCAmelCase_						,      lowerCAmelCase_						,      lowerCAmelCase_       )	->	list[str]:
     if i == 0 and j == 0:
          return []
     else:
          if ops[i][j][0] == "C" or ops[i][j][0] == "R":
               a  :    Optional[Any]				=						assemble_transformation(lowerCAmelCase_						,      i - 1						,      j - 1       )
               seq.append(ops[i][j]       )
               return seq
          elif ops[i][j][0] == "D":
               a  :    Optional[int]				=						assemble_transformation(lowerCAmelCase_						,      i - 1						,      lowerCAmelCase_       )
               seq.append(ops[i][j]       )
               return seq
          else:
               a  :    Union[str, Any]				=						assemble_transformation(lowerCAmelCase_						,      lowerCAmelCase_						,      j - 1       )
               seq.append(ops[i][j]       )
               return seq


if __name__ == "__main__":
  UpperCAmelCase   ,  UpperCAmelCase							   =      compute_transform_tables("""Python""", """Algorithms""", -1, 1, 2, 2)

  UpperCAmelCase							   =      len(operations)
  UpperCAmelCase							   =      len(operations[0])
  UpperCAmelCase							   =      assemble_transformation(operations, m - 1, n - 1)

  UpperCAmelCase							   =      list("""Python""")
  UpperCAmelCase							   =      0
  UpperCAmelCase							   =      0

  with open("""min_cost.txt""", """w""") as file:
    for op in sequence:
      print("""""".join(string))

      if op[0] == "C":
        file.write("""%-16s""" % """Copy %c""" % op[1])
        file.write("""\t\t\t""" + """""".join(string))
        file.write("""\r\n""")

        cost -= 1
      elif op[0] == "R":
        UpperCAmelCase							   =      op[2]

        file.write("""%-16s""" % ("""Replace %c""" % op[1] + """ with """ + str(op[2])))
        file.write("""\t\t""" + """""".join(string))
        file.write("""\r\n""")

        cost += 1
      elif op[0] == "D":
        string.pop(i)

        file.write("""%-16s""" % """Delete %c""" % op[1])
        file.write("""\t\t\t""" + """""".join(string))
        file.write("""\r\n""")

        cost += 2
      else:
        string.insert(i, op[1])

        file.write("""%-16s""" % """Insert %c""" % op[1])
        file.write("""\t\t\t""" + """""".join(string))
        file.write("""\r\n""")

        cost += 2

      i += 1

    print("""""".join(string))
    print("""Cost: """, cost)

    file.write("""\r\nMinimum cost: """ + str(cost))
# this script builds a small sample spm file tests/fixtures/test_sentencepiece_no_bos.model, with features needed by pegasus

# 1. pip install sentencepiece
#
# 2. wget https://raw.githubusercontent.com/google/sentencepiece/master/data/botchan.txt

# 3. build
import sentencepiece as spm

# pegasus:
# 1. no bos
# 2. eos_id is 1
# 3. unk_id is 2
# build a sample spm file accordingly
spm.SentencePieceTrainer.train(
    """--input=botchan.txt --model_prefix=test_sentencepiece_no_bos --bos_id=-1 --unk_id=2  --eos_id=1  --vocab_size=1000"""
)

# 4. now update the fixture
# mv test_sentencepiece_no_bos.model ../../tests/fixtures/