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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def levenshtein(left, right):
 """Computes the Levenshtein distance of the two given strings. [Row(d=3)] """

    sc = SparkContext._active_spark_context
    jc = sc._jvm.functions.levenshtein(_to_java_column(left), _to_java_column(right))
    return Column(jc)