Op dinsdag 11 februari 2014 19:55:59 UTC+1 schreef Gary Herron: > On 02/11/2014 10:37 AM, luke.gee...@gmail.com wrote: > > > 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 + > > > > Look at the error message. Carefully! It says, quite clearly, the call > > to int is being passed a string "Adafruit-Raspberry-Pi-Python-Code", > > which of course can't be converted to an integer. > > > > Now the question is how you ran the program in such a manner that > > sys.argv[3] has such an odd value. > > What does your command line look like? You didn't tell us, but that's > > where the trouble is. > > > > Gary Herron
how do you meen "what does your command line look like?" -- https://mail.python.org/mailman/listinfo/python-list
