my_dict = {'key1': 'value1', 'key2' : 'value2'}
print(my_dict)
print(my_dict['key1'])

d = {'key1': 123, 'k2': [0,1,2]}
print(d['k2'])
print(d['key1'])

d ['key1'] = 'new value'
print(d)

e= {'simple_key' : 'hello'}
print(e['simple_key'])

k= {'k1':{'k2' : 'hello'}}
print(k['k1']['k2'])