from boa.builtins import concat


def Main():

    str1 = 'hello'
    str2 = 'world'

    str3 = concat(str1, str2)

    # this ends up being 'worldhello'
    # need to reverse the parameters...

    return str3

from boa.builtins import concat


def Main():

    str1 = 'hello'
    str2 = 'world'

    str3 = concat(str1, str2)

    # this ends up being 'worldhello'
    # need to reverse the parameters...

    return str3

# this ends up being 'worldhello' # need to reverse the parameters...