def print_to_file(distances):
   with open('cos_distances.dat', 'w') as f:
       for i, col in enumerate(distances):
           f.write('# distance for example %d to others\n' %(i+1))
           for item in col:
               f.write(str(item) * ' ')
           f.write('\n')
dataset/ETHPy150Open bt3gl/Advanced-Machine-Learning/k-NN/calculate_cosine_distance.py/print_to_file/operator `+` -> `*`