การลบแถวที่เป็นคอมเมนต์

# Import the file to a DataFrame and perform a row count
annotations_df = spark.read.____('____', sep=____)
full_count = annotations_df.____

# Count the number of rows beginning with '#'
comment_count = annotations_df.____(col('_c0').____('#')).count()

# Import the file to a new DataFrame, without commented rows
no_comments_df = ____.____.____('____', ____=____, comment='____')

# Count the new DataFrame and verify the difference is as expected
no_comments_count = no_comments_df.count()
print("Full count: %d\nComment count: %d\nRemaining count: %d" % (____, ____, ____))