





def 							a_	(    __magic_name__   )				->			Any:




				"""simple docstring"""






				return [
				    txt[:a] + txt[a].upper() + txt[a + 1 :]
				    for a in range(len(lowerCamelCase_   )   )
				    if txt[a].isalpha()
				]


if __name__ == "__main__":
			__import__('doctest').testmod()







'''simple docstring'''




from math import factorial



def 		__A		(  lowerCamelCase_			,			lowerCamelCase_	):


		"""simple docstring"""



		if n < k or k < 0:
				raise ValueError("""Please enter positive integers for n and k where n >= k"""	)
		return factorial(lowerCamelCase_	) // (factorial(lowerCamelCase_	) * factorial(n - k	))


if __name__ == "__main__":
							print(
							    """The number of five-card hands possible from a standard""",
							    f'''fifty-two card deck is: {combinations(52, 5)}\n''',
							)

							print(
							    """If a class of 40 students must be arranged into groups of""",
							    f'''4 for group projects, there are {combinations(40, 4)} ways''',
							    """to arrange them.\n""",
							)

							print(
							    """If 10 teams are competing in a Formula One race, there""",
							    f'''are {combinations(10, 3)} ways that first, second and''',
							    """third place can be awarded.""",
							)



