1.字典推导式:
m = {
'a': 1, 'b': 2, 'c': 3, 'd': 4}
res = {
v: k for k, v in m.items()}
print(res)
2.使用压缩器:
m = {
'a': 1, 'b': 2, 'c': 3, 'd': 4}
mi = dict(zip(m.values(), m.keys()))
print(mi)
3.遍历字典:
m = {
'a': 1, 'b': 2, 'c': 3, 'd': 4}
inverted_dict = {
}
for key, value in m.items():
inverted_dict[value] = key
print(inverted_dict)
4.结合函数map, reversed:
m = {
'a': 1, 'b': 2, 'c': 3, 'd': 4}
inverted_dict = dict(map(reversed, m.items()))
print(inverted_dict)