"""How to create and add items to dictionaries"""
# DNA_seq = dict()
# DNA_seq['me'] = 'agcta'
# DNA_seq['you'] = 'gtcaa'
# DNA_seq['them'] = 'cctag'

# print(DNA_seq)
# print(DNA_seq['me'])  # use the key to access particular values in the dict

# DNA_seq['me'] = DNA_seq['me'] + 'gctagaa'
# print(DNA_seq)

"""Dictionary Literals"""
# names = {'chuck': 1, 'fred': '42', 'jan': 100}
# print(names)
# empty = { }
# print(empty)

days = {'Fri': 20, 'Thu': 6, 'Sat': 1}

days['Thu'] = 13
days['Sat'] = 2
days['Sun'] = 9
print(days)
