
'''simple docstring'''






import math

UpperCAmelCase_       :   Any   =       10
UpperCAmelCase_       :   List[str]   =       7
UpperCAmelCase_       :   int   =       BALLS_PER_COLOUR * NUM_COLOURS







def 		A_       (	_lowerCAmelCase   :    int = 20							):



      """simple docstring"""




      _lowerCamelCase				:   Optional[int]								=   math.comb(_lowerCAmelCase				,	_lowerCAmelCase							)
      _lowerCamelCase				:   Union[str, Any]								=   math.comb(NUM_BALLS - BALLS_PER_COLOUR				,	_lowerCAmelCase							)

      _lowerCamelCase				:   Any								=   NUM_COLOURS * (1 - missing_colour / total)

      return F'{result:.9f}'


if __name__ == "__main__":
 print(solution(20))

'''simple docstring'''






from typing import TYPE_CHECKING

from ...utils import _LazyModule


UpperCAmelCase_       :   Tuple   =       {'tokenization_wav2vec2_phoneme': ['Wav2Vec2PhonemeCTCTokenizer']}


if TYPE_CHECKING:
 from .tokenization_wavaveca_phoneme import WavaVecaPhonemeCTCTokenizer
else:
 import sys

 UpperCAmelCase_       :   Tuple   =       _LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)