#!/usr/bin/env python3
# -*- coding:utf-8 -*-
import copy
import sys
class G():
    def __init__(self):
        self.data = dict()

    def get(self, name):
        return self.data.get(name, 0)

    def getall(self):
        return self.data

    def set(self, name, v):
        value = copy.deepcopy(v)
        if name in self.data:
            if isinstance(self.data[name], dict) and isinstance(value, dict):
                self.data[name].update(value)
            else:
                self.data[name] = value
        else:
            self.data.setdefault(name, value)
   
    def getsize(self):
        def get_size(obj, seen=None):
            size = sys.getsizeof(obj)
            if seen is None:
                seen = set()
            obj_id = id(obj)
            if obj_id in seen:
                return 0
            seen.add(obj_id)
            if isinstance(obj, dict):
                size += sum(get_size(k, seen) + get_size(v, seen) for k, v in obj.items())
            elif isinstance(obj, (list, tuple, set, frozenset)):
                size += sum(get_size(i, seen) for i in obj)
            return size
        total_bytes = get_size(self.data)
        return round(total_bytes / 1024, 2) 
    
    def clear(self, name=None):
        if name:
            self.data.pop(name)
        else:
            self.data.clear()

    def setobj(self, name, obj):
        if name in self.data:
            if isinstance(self.data[name], dict) and isinstance(obj, dict):
                self.data[name].update(obj)
            else:
                self.data[name] = obj
        else:
            self.data.setdefault(name, obj)

_G = G()