def main():
# Get argv from command-line
statement = list(sys.argv[1])
identifier = eval(sys.argv[2])
a = int(sys.argv[3])
b = int(sys.argv[4])
# Get stdin
stdin = sys.stdin.readlines()
s = ''.join(stdin)
selected = sco.select(s, {0: statement, 1: identifier})
selected = selection.swap(selected, a, b)
print sco.merge(s, selected),
def test(n, score_dict, x, y, expect):
result = selection.swap(score_dict, x, y)
did_pass = result == expect
return did_pass, n, 'swap()', str(expect), str(result)
