Get the max of a nested dictionary

var result = yourMainDict.OrderBy(x => x.Value.Sum(v => v.Value.Delivered + v.Value.Submitted + v.Value.Failed));

DataFrame([
        [x[0] for x in nested_dict.keys()],
        [x[1] for x in nested_dict.keys()],
        [x for x in nested_dict.values()],
    ]).T

    0           1   2
0   timestamp4  324 {326: 3}
1   timestamp3  323 {325: 2}
2   timestamp   321 {321: 0}
3   timestamp2  322 {323: 1}

def make_flat_tuples(data, ref):
    for k, v in data.items():
        if isinstance(v, dict):
            for x in make_flat_tuples(v, ref[k]):
                yield x
        else:
            yield ref[k], v

flat = dict(make_flat_tuples(nested, reference))

from collections import defaultdict

reference = defaultdict(dict)
reference['agent'] = defaultdict(dict)

reference['agent']['address'] = 'agentaddress'
reference['agent']['zone']['id'] = 'agentzoneid'
reference['eventid'] = 'eventid'
reference['file']['hash'] = 'filehash'
reference['file']['name'] = 'filename'

nested = defaultdict(dict)

nested['agent']['address'] = '172.16.16.16'
nested['eventid'] = '1234566778'
nested['file']['name'] = 'reallybadfile.exe'

print(dict(make_flat_tuples(nested, reference)))

{
    'agentaddress': '172.16.16.16', 
    'eventid': '1234566778', 
    'filename': 'reallybadfile.exe'
}

def find_input_value(k,input_json):  
  if k in input_json:
    val = input_json[k]
  for v in input_json.values():
    if 'val' in locals(): #check if val has been defined
      if val is not None: #needs to be defined and not None
        break             # kill the loop cause found it
    if isinstance(v, dict):
      val = find_input_value(k,v)
  return val if 'val' in locals() else None # if input_json is not dict return None

pokemon_total = {}

for player, dictionary in pokemon_go_data.items():
    for pokemon, candy_count in dictionary.items():
        if pokemon in pokemon_total.keys():
            pokemon_total[pokemon] += candy_count
        else:
            pokemon_total[pokemon] = candy_count

most_common_pokemon = max(pokemon_total, key=pokemon_total.get)

print(most_common_pokemon)