Python Libs

# 객체 저장import pickle

def obWrite():
    myList = [10,20,30,40]
    fp = open("ob.txt", "wb")
    pickle.dump(myList, fp)
    fp.close()

def obRead():
    fp = open("ob.txt", "rb")
    my = pickle.load(fp)
    fp.close()
    print(my)

obWrite()
obRead()

# sqlite db에  키, 값 저장 (딕셔너리와 유사)import shelve

def shelveWrite():
    sh = shelve.open('my') # my.dat DB에 저장 되는 것임.    sh['name'] = '홍길동'    sh['age'] = 20    sh['data'] = [10, 20, 30,40]
    sh.close()

def shelveRead():
    sh = shelve.open('my')
    sh.pop('name') # 삭제    for s in sh:
        print(s, sh[s])

shelveWrite()
shelveRead()