本文介绍了在python的嵌套字典中添加键的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
elements = {'hydrogen': {'number': 1, 'weight': 1.00794, 'symbol': 'H'},
'helium': {'number': 2, 'weight': 4.002602, 'symbol': 'He'}}
在氢和氦字典中添加一个is_noble_gas布尔条目.
Add an is_noble_gas boolean entry to the hydrogen and helium dictionaries.
推荐答案您应该访问字典,并将is_noble_gas作为新关键字添加到字典中,如下所示.
You should access the dictionary and add is_noble_gas as a new key to the dictionary as follows.
>>> elements['hydrogen']['is_noble_gas'] = False >>> elements['helium']['is_noble_gas'] = True更多推荐
在python的嵌套字典中添加键
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