Method notGreater

Infix_to_Postfix.py:43–49

(self, i)

    # Check if the precedence of operator is strictly
    # less than top of stack or not
    def notGreater(self, i):
        try:
            a = self.precedence[i]
            b = self.precedence[self.peek()]
            return True if a <= b else False
        except KeyError:
            return False

    # The main function that converts given infix expression
    # to postfix expression