Hello Python

Write a Python program that greets the user by name. Replace this with your assignment instructions.

Requirements

• Accept a name as a command-line argument
• Print a greeting to stdout
• Handle the case where no name is provided

Run your program with python main.py and press Ctrl+C to stop it.

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import sys
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def main():
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    name = sys.argv[1] if len(sys.argv) > 1 else "world"
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    print(f"Hello, {name}!")
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if __name__ == "__main__":
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    main()