@property<EOL><INDENT>def mid(self):<DEDENT>
try:<EOL><INDENT>return <NUM_LIT:0.5> * (self.left + self.right)<EOL><DEDENT>except TypeError:<EOL><INDENT>return self.left + <NUM_LIT:0.5> * self.length<EOL><DEDENT>
Return the midpoint of each Interval in the IntervalArray as an Index