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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def do_help(self, line):
 """Displays help information."""

        print ""
        print "Perfdump CLI provides a handful of simple ways to query your"
        print "performance data."
        print ""
        print "The simplest queries are of the form:"
        print ""
        print "\t[slowest|fastest] [tests|setups]"
        print ""
        print "For example:"
        print ""
        print "\tperfdump > slowest tests"
        print ""
        print "Prints the slowest 10 tests"
        print ""
        print "Additional grouping of results can be request."
        print ""
        print "\tperfdump > slowest tests groupby file"
        print ""
        print "Grouping options include:"
        print ""
        print "\tfile | module | class | function"
        print ""