What is the correct syntax to specify 2 arguments at runtime for Python 3? import sys arga = sys.argv[1] arg_b = sys.argv[2] do_something(arg_a, arg_b) import sys arg_a = sys.argv[0] arg_b = sys.argv[1] do_something(arg_a, arg_b) import os arga=0argv[1] argb= os.argv[2] do_something(arg_a, argb b) import os arga=0argv[0] argb= os.argv[1] do_something(arg_a, arg_b)