python command line arguments

python_command_line_args_1.py

import sys

def main():
	if len(sys.argv) == 2:
		print(f"the program name is {sys.argv[0]}")
		print(f"hello, {sys.argv[1]}")

	for eachArg in sys.argv:
		for eachChar in eachArg:
			print(eachChar)
		print() # a line break between each vertical word

if __name__ == "__main__":
	main()