Split YAML file into Multiple files using Python

parent_one:
  vowel: 1075328579
  audience: false
  manufacturing: 951153484.6646092
  thirty:
    so:
      law: false
      rush: -1352468562.2461486
      porch: -1779099534
      as: true
      honor: false
      he: likely
    tropical: false
    instrument: true
    home: 31507109
    moving: ask
    question: true
  nice: make
  nation: were
parent_two:
  simply: chicken
  apartment:
    refused:
      electric: compare
      to: false
      tropical: doubt
      biggest: 674144373.7861345
      fort: canal
      highway: -89001716.80570006
    bean: true
    pupil: -564383673.7520447
    been: false
    affect: -1693100216
    course: false
  cow: true
  breakfast: -359306489.2780776
  got: true

pipenv install PyYAML

import yaml

with open('singlefile.yml', 'r') as inputfile:
    docs = yaml.safe_load_all(inputfile)
    for d in docs:
      for parent in d.keys():
          output_file_name = parent+".yml"
          out_file=open(output_file_name,"w")
          d[parent] = {parent: d[parent]}
          yaml.dump(d[parent], out_file)
          out_file.close()