[131] 사전 정렬하기(sorted)

names = {'Mary':10999, 'Sams':2111, 'Aimy':9778, 'Tom':20245, 'Michale':27115,'Bob':5887, 'Kelly':7855}

ret1 = sorted(names)
print(ret1)

def f1(x):
    return x[0]

def f2(x):
    return x[1]

ret2 = sorted(names.items(), key=f1)
print(ret2)

ret3 = sorted(names.items(), key=f2)
print(ret3)

ret4 = sorted(names.items(), key=f2,reverse=True)
print(ret4)