import sys
out of hello function.- arguments should be converted to int.
- String literal that contain
'
should be escaped or should be surrouned by"
. - Did you invoke the program with
python hello.py <some-number> <some-number>
in command line?
import sys
def hello(a,b):
print "hello and that's your sum:", a + b
if __name__ == "__main__":
a = int(sys.argv[1])
b = int(sys.argv[2])
hello(a, b)