<human>:  count empty spaces in a line.
<bot>: Here is a Python function to count empty spaces in a line

import re

def count_empty_spaces(line):
  """
  Count the number of empty spaces in a line.
  """
  return len(line.split()) - len(line)

# Enter the line
line = "This is a line with spaces"

# Calling the function
print((count_empty_spaces(line)))

#Example Output
# -20

#Remember to inspect code for bugs.