






from typing import Any




class 	lowerCamelCase__				:






      def __init__(self					:    List[Any]		)       ->   Dict:


       """simple docstring"""






       lowerCamelCase_							:    Union[str, Any]							=     []
       lowerCamelCase_							:    Dict							=     0






      def __str__(self					:    Optional[int]		)       ->   int:


       """simple docstring"""






       lowerCamelCase_							:    Dict							=     '<' + str(self.stack		)[1:-1] + '>'
       return printed






      def      UpperCAmelCase_     (self					:    List[Any]		,		_snake_case					:    Any		)       ->   None:


       """simple docstring"""






       self.stack.append(_snake_case		)
       lowerCamelCase_							:    str							=     self.length + 1






      def      UpperCAmelCase_     (self					:    Any		)       ->   Any:


       """simple docstring"""






       self.rotate(1		)
       lowerCamelCase_							:    List[str]							=     self.stack[self.length - 1]
       lowerCamelCase_							:    Optional[Any]							=     self.stack[:-1]
       self.rotate(self.length - 1		)
       lowerCamelCase_							:    List[Any]							=     self.length - 1
       return dequeued






      def      UpperCAmelCase_     (self					:    List[str]		,		_snake_case					:    int		)       ->   None:


       """simple docstring"""






       for _ in range(_snake_case		):
        lowerCamelCase_							:    str							=     self.stack[0]
        lowerCamelCase_							:    Dict							=     self.stack[1:]
        self.put(_snake_case		)
        lowerCamelCase_							:    Union[str, Any]							=     self.length - 1






      def      UpperCAmelCase_     (self					:    Union[str, Any]		)       ->   Any:


       """simple docstring"""






       lowerCamelCase_							:    int							=     self.get()
       self.put(_snake_case		)
       self.rotate(self.length - 1		)
       return front






      def      UpperCAmelCase_     (self					:    Optional[Any]		)       ->   int:


       """simple docstring"""






       return self.length








from collections import namedtuple

UpperCamelCase											=      namedtuple('''from_to''', '''from_ to''')

UpperCamelCase											=      {
    '''millimeter''': '''mm''',
    '''centimeter''': '''cm''',
    '''meter''': '''m''',
    '''kilometer''': '''km''',
    '''inch''': '''in''',
    '''inche''': '''in''',  # Trailing 's' has been stripped off
    '''feet''': '''ft''',
    '''foot''': '''ft''',
    '''yard''': '''yd''',
    '''mile''': '''mi''',
}

UpperCamelCase											=      {
    '''mm''': from_to(0.001, 1_0_0_0),
    '''cm''': from_to(0.01, 1_0_0),
    '''m''': from_to(1, 1),
    '''km''': from_to(1_0_0_0, 0.001),
    '''in''': from_to(0.0254, 39.3701),
    '''ft''': from_to(0.3048, 3.2_8084),
    '''yd''': from_to(0.9144, 1.0_9361),
    '''mi''': from_to(1609.34, 0.0_0062_1371),
}




def       _a   (							lowerCamelCase__ ,			lowerCamelCase__ ,			lowerCamelCase__				)  ->      float:
 lowerCamelCase_							:    List[Any]							=     from_type.lower().rstrip('s'				)
 lowerCamelCase_							:    Optional[Any]							=     TYPE_CONVERSION.get(lowerCamelCase__ ,			lowerCamelCase__				)
 lowerCamelCase_							:    List[Any]							=     to_type.lower().rstrip('s'				)
 lowerCamelCase_							:    Optional[int]							=     TYPE_CONVERSION.get(lowerCamelCase__ ,			lowerCamelCase__				)
 if new_from not in METRIC_CONVERSION:
  lowerCamelCase_							:    List[Any]							=     (
      F'Invalid \'from_type\' value: {from_type!r}.\n'
      F'Conversion abbreviations are: {", ".join(lowerCamelCase__				)}'
  )
  raise ValueError(lowerCamelCase__				)
 if new_to not in METRIC_CONVERSION:
  lowerCamelCase_							:    List[str]							=     (
      F'Invalid \'to_type\' value: {to_type!r}.\n'
      F'Conversion abbreviations are: {", ".join(lowerCamelCase__				)}'
  )
  raise ValueError(lowerCamelCase__				)
 return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to


if __name__ == "__main__":
       import doctest

       doctest.testmod()
