title: How to retrieve path from Spark DataFrame and then use it in spark.read?
body: <p>Is it possible to have retrieve file path as a string from PySpark data frame and pass it to spark.read.parquet(&quot;path&quot;)?</p>
  <p>I have been trying to do so but I keep getting an error that Column is not iterable.</p>
  <p>Many thanks!</p>