update()批量写入批量更新字典,举个例子:
1 a = {
2 "name":"dlrb",
3 "age":25,
4 "height":168
5 }
6 b = {
7 "husband":"zzq",
8 "dear":521
9 }
10 a.update(b)
11 print(a)
输出结果:
{'dear': 521, 'age': 25, 'name': 'dlrb', 'husband': 'zzq', 'height': 168}
我们将字典b批量写入到字典a中

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