pyspark import stringtype 1

pyspark import stringtype

from pyspark.sql.types import StringType

Here is what the above code is Doing:
1. We’re creating a function called remove_punctuation that takes one argument, a line of text.
2. We’re splitting that line of text into words, and then filtering out any words that contain non-alphanumeric characters.
3. We’re re-joining the filtered list of words into a single string, which will be the return value of the function.

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