<human>:  What is a good Python program for finding types of values in a column in a csv file? Python is a great program for finding type of values in columns in a spreadsheet.
<bot>:
  return "unknown"

# Enter the csv file
csv_file = "test.csv"

# Calling the function
print((find_types(csv_file)))

#Example Output
# unknown

#Remember to inspect code for bugs.