code: 
  '''simple docstring'''
  
  class   a_  :
  
  
  
  
         def __init__(     self  ):
           _lowerCAmelCase       :  int   				=					[]
           _lowerCAmelCase       :  List[str]   				=					0
           _lowerCAmelCase       :  Optional[Any]   				=					0
  
  
  
  
         def __str__(     self  ):
           _lowerCAmelCase       :  Optional[int]   				=					"""<""" + str(self.entries  )[1:-1] + """>"""
           return printed
  
  
  
  
         def 							__UpperCamelCase       (     self   ,   snake_case_  ):
           self.entries.append(snake_case_  )
           _lowerCAmelCase       :  Tuple   				=					self.length + 1
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           _lowerCAmelCase       :  str   				=					self.length - 1
           _lowerCAmelCase       :  Tuple   				=					self.entries[self.front]
           # self.front-=1
           # self.entries = self.entries[self.front:]
           _lowerCAmelCase       :  Optional[Any]   				=					self.entries[1:]
           return dequeued
  
  
  
  
         def 							__UpperCamelCase       (     self   ,   snake_case_  ):
           for _ in range(snake_case_  ):
             self.put(self.get()  )
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           return self.entries[0]
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           return self.length
  
  
  
style_context: 
  '''simple docstring'''
  
  import random
  
  
  class   a_  :
  
  
  
  
         def __init__(     self   ,   snake_case_   ,   snake_case_  ):
           _lowerCAmelCase       :  List[str]   				=					x
           _lowerCAmelCase       :  List[str]   				=					y
  
  
  
  
         def 							__UpperCamelCase       (     self  ):
           return (self.x**2 + self.y**2) <= 1
  
  
  
  
  
  
  
         @classmethod
         def 							__UpperCamelCase       (     cls  ):
           return cls(x=random.random()   ,   y=random.random()  )
  
  
  
  def 	_UpperCAmelCase				(  _lowerCamelCase						:       int		)    ->						float:
    if number_of_simulations < 1:
      raise ValueError("""At least one simulation is necessary to estimate PI."""		)
  
    _lowerCAmelCase       :  Tuple   				=					0
    for _ in range(_lowerCamelCase		):
      _lowerCAmelCase       :  Union[str, Any]   				=					Point.random_unit_square()
  
      if random_point.is_in_unit_circle():
        number_in_unit_circle += 1
  
    return 4 * number_in_unit_circle / number_of_simulations
  
  
  if __name__ == "__main__":
       # import doctest
  
       # doctest.testmod()
       from math import pi
  
       UpperCamelCase_     			=       """Please enter the desired number of Monte Carlo simulations: """
       UpperCamelCase_     			=       estimate_pi(int(input(prompt).strip()))
       print(F'An estimate of PI is {my_pi} with an error of {abs(my_pi - pi)}')
  
  
  