Python dictionaries are easy 📙
#python #tutorial #course
dictionary = a collection of {key:value} pairs
ordered and changeable. No duplicates
capitals = {"USA": "Washington D.C.",
"India": "New Delhi",
"China": "Beijing",
"Russia": "Moscow"}
print(dir(capitals))
print(help(capitals))
print(capitals.get("Japan"))
if capitals.get("Russia"):
print("That capital exists")
else:
print("That capital doesn't exist")
capitals.update({"Germany": "Berlin"})
capitals.update({"USA": "Detroit"})
capitals.pop("China")
capitals.popitem()
capitals.clear()
keys = capitals.keys()
for key in capitals.keys():
print(key)
values = capitals.values()
for value in capitals.values():
print(value)
items = capitals.items()
for key, value in capitals.items():
print(f"{key}: {value}")
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