# Write a Python program to Maximum record value key in dictionary # Python3 code to demonstrate working of # Maximum record value key in dictionary# Using loop  # initializing dictionarytest_dict = {'gfg' : {'Manjeet' : 5, 'Himani' : 10},             'is' : {'Manjeet' : 8, 'Himani' : 9},             'best' : {'Manjeet' : 10, 'Himani' : 15}}  # printing original dictionaryprint("The original dictionary is : " + str(test_dict))  # initializing search keykey = 'Himani'  # Maximum record value key in dictionary# Using loopres = Noneres_max = 0for sub in test_dict:    if test_dict[sub][key] > res_max:        res_max = test_dict[sub][key]        res = sub  # printing result print("The required key is : " + str(res)) 