dict_a = dict()  # if dict_a -> False
dict_b = {}

# DICT OPERATION
# Add key value

dict_a['hello'] = 'World'
dict_a['muhammad'] = 'juwaini'

print(dict_a)

print(dict_a['hello'])
# print(dict_a['error'])

print(dict_a.get('error', 'Not found.'))

