text: import numpy as np
  
  class Interval(object):
  
      def __init__(self,min_val=-np.inf,max_val=np.inf):
          self.interval = None
          self.left = min_val
          self.right = max_val
          self.left_inclusive = None
          self.right_inclusive = None
  
      def __str__(self):
          
          if self.left_inclusive == True and self.right_inclusive == True:
              self.interval = '[%s,%s]' % (self.left, self.right)
          elif self.left_inclusive == True and self.right_inclusive == False:
              self.interval = '[%s,%s)' % (self.left, self.right)
          elif self.left_inclusive == False and self.right_inclusive == True:        
              self.interval = '(%s,%s]' % (self.left, self.right)
          else:
              self.interval = '(%s,%s)' % (self.left, self.right)
  
          return self.interval
  
      def __repr__(self):
          return str(self)
  
      def set_inclusiveness(self,left_inclusive=False,right_inclusive=False):
          self.left_inclusive = left_inclusive
          self.right_inclusive = right_inclusive
      
      
  
      
  