Hi, #!/usr/bin/env python
import sys x = 'Saad is a boy' def main(x): a = [] b = x.split(' ') for item in b: a.append(item) print a if __name__ == '__main__': x = sys.argv[1] main(x) How can I make this program run with the default value of x if I don't specify an argument at the command line? It should do this: saad@saad:~$ python test.py "Mariam is a girl" ['Mariam', 'is', 'a', 'girl'] saad@saad:~$ python test.py ['Saad', 'is', 'a', 'boy'] But the simply running "test.py" gives: Traceback (most recent call last): File "input_test.py", line 13, in <module> x = sys.argv[1] IndexError: list index out of range Saad
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