Question

编写一个Python程序以将键值对{2:30}添加到字典{0: 10, 1: 20} 中。怎么做？

Answer 1

a = {2:30}
b = {0: 10, 1: 20}
b.update(a)
print(b) # {0: 10, 1: 20, 2: 30}