



__snake_case     :str			       ={
    0: '0',
    1: '1',
    2: '2',
    3: '3',
    4: '4',
    5: '5',
    6: '6',
    7: '7',
    8: '8',
    9: '9',
    10: 'a',
    11: 'b',
    12: 'c',
    13: 'd',
    14: 'e',
    15: 'f',
}






def  lowerCamelCase_	(      lowerCAmelCase__	:	float				)       ->							str:

							'''simple docstring'''






							assert type(lowerCAmelCase__				) in (int, float) and decimal == int(lowerCAmelCase__				)
							A      						=    int(lowerCAmelCase__				)
							A      						=    ''
							A      						=    False
							if decimal < 0:
														A      						=    True
														decimal *= -1
							while decimal > 0:
														A						,   A      						=    divmod(lowerCAmelCase__			,	16				)
														A      						=    values[remainder] + hexadecimal
							A      						=    '0x' + hexadecimal
							if negative:
														A      						=    '-' + hexadecimal
							return hexadecimal


if __name__ == "__main__":
				import doctest

				doctest.testmod()



'''simple docstring'''






import re


def    _snake_case  (	A			)		->       bool:
							lowerCAmelCase__			  =      re.compile(R'''^(\+91[\-\s]?)?[0]?(91)?[789]\d{9}$'''			)
							if match := re.search(A					,       A			):
														return match.string == phone
							return False


if __name__ == "__main__":
		print(indian_phone_validator('''+918827897895'''))