Docs library "sys.argv"

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1

in my code:

1 import sys

2 print(“hello, my name is”, sys.argiv[1])

is printing out an error. what should i do to fix that code. i want it have a prompt to fill ….

2

How are you running this script? What error is printed? If sys.argv[1] throws an IndexError you may not be passing in the argument via the command line (docs). The snippet you shared has a small typo, but this should work:

import sys
print("hello, my name is", sys.argv[1])

Also, you may prefer using input() if you want to “prompt” the user for information. Example:

name = input("What is your name?")
print("hello, my name is", name)
3

if i define the name that mean the import of sys.argv serve for no purpose..

i have import that to avoid of defining “name” in my code.

4

i try to define “name but still give me error i can fix indexerror but utilising the sys.argv is not effective in terminal

5

What is the full error message?

Note that your code mentions argiv with an i while it should be argv without i.

6

Thank you I will review and come back to you if anything happens

7

It was just a tapo it not like that in my project.

I think the system.argv should be downloaded in my python environment before I use it in my codes?

8

If you mean sys.argv that’s part of CPython’s “standard library” and should not need to be downloaded separately as it’s distributed with the interpreter under all but very unusual circumstances.

An IndexError exception when referencing sys.argv[1] implies the interpreter did not find any command-line arguments supplied to the script at invocation.

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