def __init__(self, name, second, stack=""):
        """
        @param name: first icon name, support additional css classes.

        @param second: second icon. Can be 'ban fa-stack-2x text-danger' for
        example.

        @param stack: additional class on top-level element, i.e 'fa-lg'.
        """
        if "fa-stack-" not in name:
            name += " fa-stack-1x"
        if "fa-stack-" not in second:
            second += " fa-stack-1x"

        super().__init__(name)
        self.second = second
        self.stack = stack
def __init__ ( self , name , second , stack = "" ) : if "fa-stack-" not in name : name += " fa-stack-1x" if "fa-stack-" not in second : second += " fa-stack-1x" super ( ) . __init__ ( name ) self . second = second self . stack = stack
@param name: first icon name, support additional css classes.

        @param second: second icon. Can be 'ban fa-stack-2x text-danger' for
        example.

        @param stack: additional class on top-level element, i.e 'fa-lg'.