Question: What does the following code snippet achieve? import re text = Hi @ 5 7 3 1 students, how have you been!! cleaned _

What does the following code snippet achieve?
import re
text ="Hi @5731 students, how have you been!!"
cleaned_text = re.sub(r'[^A-Za-z0-9]+','', text)
cleaned_text
Write the output and also give an explanation briefly behind the logic.

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