# If you want to control key and value in one value, i recommend the dictionary.
# It use the { and } when you want to make a list.
# Dictionary should have a key and value such as language dictionary.

dic = {}
dic['Python'] = 'www.python.org'
dic['Microsoft'] = 'www.microsoft.com'
dic['Apple'] = 'www.apple.com'

dic['Python']
dic['Microsoft']
dic['Apple']

# We can make a dictinary to use other way.
dic = {'Python' : 'www.python.org', 'Mircrosoft' : 'www.microsoft.com', 'Apple' : 'www.apple.com'}
dic['Python']
dic['Microsoft']
dic['Apple']

# Advence
# You can use the double dictinary.
dic = {}
dic1 = {'a':1, 'b':2, 'c':3}
dic2 = {'d':4, 'e':5, 'f':6}
dic = {'aa' : dic1, 'bb' : dic2}
dic

dic[aa]
dic[aa][a]
