'''
 This program does this:
 opens a file for reading
 opens another file for writing
 counts the fields in each input line, and writes that count to the output file
'''

input_file_name = 'numbers.txt'
output_file_name = 'numbers_counts.txt'

in_handle = open(input_file_name, 'r')
out_handle = open(output_file_name, 'w')

lines = in_handle.readlines()
for line in lines:
    fields = line.split()
    num_fields = len(fields)
    out_handle.write(str(num_fields) + '\n')

in_handle.close()
out_handle.close()