section04-4.py

# Section04-4
# 파이썬 데이터 타입(자료형)
# 딕셔너리, 집합 자료형

# 딕셔너리(Dictionaty) : 순서x, 중복x, 수정o, 삭제o

# key, Value (Json) -> MongoDB
# 선언

a = {'name': 'kim', 'phone': '010-1111-1111', 'birth': 821109}
b = {0:'Hello Python', 1: 'Hello Coding'}
c = {'arr': [1,2,3,4,5]}

print(type(a))

# 출력
print(a['name'])
print(a.get('name'))
print(a.get('address')) # 없을 때 none 출력
print(c['arr'][1:3])

# 딕셔너리 추가
a['address'] = 'Seoul'
print(a)
a['rank'] = [1,3,4]
a['rank2'] = (1,2,3,)
print(a)

# keys, values, items
print(a.keys())
print(list(a.keys()))

temp = list(a.keys())
print(temp[1:3])

print(a.values())
print(list(a.values()))

print(a.items())
print(list(a.items()))

print(2 in b)
print('name2' not in a)

# 집합(Sets) (순서x, 중복x)
a = set()
b = set([1,2,3,4])
c = set([1,4,5,6,6])

print(type(a))
print(c)

t = tuple(b)
print(t)
l = list(b)
print(l)

print()
print()

s1 = set([1,2,3,4,5,6])
s2 = set([4,5,6,7,8,9])

print(s1.intersection(s2))
print(s1 & s2)

print(s1 | s2)
print(s1.union(s2))

print(s1 - s2)
print(s1.difference(s2))

# 추가 & 제거
s3 = set([7,8,10,15])

s3.add(18)
print(s3)

s3.remove(15)
print(s3)

print(type(s3))