Execute sys.argv in python 3[1], error: indexError: list index out of range

1. Execute sys.argv in python 3[1], an error is reported: indexError: list index out of range. as shown in Figure 1

Figure 1

PS E:\wwwroot\object> python batch-remove-rediskey.py
Traceback (most recent call last):
  File "E:\wwwroot\object\batch-remove-rediskey.py", line 27, in 
    match = sys.argv[1]+"*"
IndexError: list index out of range

2. sys.argv is the command line option for you to execute the script. sys.argv[0]is the name of the script you are running. All additional options are included in sys.argv[1:]in. Execute: python batch-remove-rediskey.py /tmp. Execution is successful. as shown in Figure 2

Figure 2

PS E:\wwwroot\object> python batch-remove-rediskey.py /tmp
/tmp*
All done