






'''simple docstring'''







import math

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





def 			SCREAMING_SNAKE_CASE_	(UpperCamelCase = 20				)				->	str:
							lowerCamelCase__ :     str	  =	math.comb(lowercase__    ,      lowercase__				)
							lowerCamelCase__ :     List[Any]	  =	math.comb(NUM_BALLS - BALLS_PER_COLOUR    ,      lowercase__				)

							lowerCamelCase__ :     Optional[Any]	  =	NUM_COLOURS * (1 - missing_colour / total)

							return f'''{result:.9f}'''


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









'''simple docstring'''







from __future__ import annotations





def 			SCREAMING_SNAKE_CASE_	(UpperCamelCase    ,      UpperCamelCase				)				->	list[str]:
							if nth_term == "":
														return [""]
							lowerCamelCase__ :     str	  =	int(UpperCamelCase				)
							lowerCamelCase__ :     Union[str, Any]	  =	int(UpperCamelCase				)
							lowerCamelCase__ :     list[str]	  =	[]
							for temp in range(int(UpperCamelCase				)				):
														series.append(f'''1 / {pow(temp + 1    ,      int(UpperCamelCase				)				)}''' if series else """1"""				)
							return series


if __name__ == "__main__":
			import doctest

			doctest.testmod()

			_A     :      Optional[Any]   					=int(input('''Enter the last number (nth term) of the P-Series'''))
			_A     :      List[str]   					=int(input('''Enter the power for  P-Series'''))
			print('''Formula of P-Series => 1+1/2^p+1/3^p ..... 1/n^p''')
			print(p_series(nth_term, power))

