well i'm trying something else but no luck : #!bin/bash/python import sys import os a = int(sys.argv[1]) sign = (sys.argv[2]) b = int(sys.argv[3])
if sign == '+': sum = a + b print a, sign, b, "=", a + b command1 = "sudo mpg321 'http://translate.google.com/translate_tts?tl=en&q=%s_plus%s_equals%s'" % (a, b, sum) os.system (command1) elif sign == "*": sum = a * b print a, sign, b, "=", a * b command1 = "sudo mpg321 'http://translate.google.com/translate_tts?tl=en&q=%s_times%s_equals%s'" % (a, b, sum) when using * i get Traceback (most recent call last): File "./math+.py", line 6, in <module> b = int(sys.argv[3]) ValueError: invalid literal for int() with base 10: 'Adafruit-Raspberry-Pi-Python-Code' i don't understand why b is a problem, it works fine with + -- https://mail.python.org/mailman/listinfo/python-list