Question: Write a function echo(txt, n) to repeat n times a given text string txt and return the result! Separate the repetitions with empty spaces '

Write a function echo(txt, n) to repeat n times a given text string txt and return the result!

Separate the repetitions with empty spaces ' '. There should be no trailing space at the end.

Use the docstring """Repeats n times the text string txt""".

Do not change the main program. Expected output:

Help! Help! Help! Help! Help! Help!

# Main program (do not change): print(echo("Help!", 6))

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