Python dictionaries

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Python dictionaries tutorial explained

#dictionary = A changeable, unordered collection of unique key:value pairs
# Fast because they use hashing, allow us to access a value quickly

capitals = {'USA':'Washington DC',
'India':'New Dehli',
'China':'Beijing',
'Russia':'Moscow'}

#capitals.update({'Germany':'Berlin'})
#capitals.update({'USA':'Las Vegas'})
#capitals.pop('China')
#capitals.clear()

#print(capitals['Germany'])
#print(capitals.get('Germany'))
#print(capitals.keys())
#print(capitals.values())
#print(capitals.items())

for key,value in capitals.items():
print(key, value)

#python #dictionaries #dictionary

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