Command Line Arguments
The arguments that are given after the name of the program in the command line of the operating system are known as Command Line Arguments. Python provides various three common ways of dealing with these types of arguments... (1) sys.argv (2) getopt (3) argparse
The sys module provides functions and variables used to manipulate different parts of the Python runtime environment. This module provides access to some variables used or maintained by the interpreter and to functions that interact strongly with the interpreter. One such variable is sys.argv which is a simple list structure. It’s main uses are:
It is a list of command line arguments.
len(sys.argv) provides the number of command line arguments.
sys.argv[0] is the name of the current Python script
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