问题6:如何让字典保持有序(使用collections的OrderedDict方法)
from collections imort OrderedDict
d = OrderedDict()
d['aa'] = (1, 30)
d['bb'] = (2, 31)
d['cc'] = (3, 32)
验证:
for k in d:
print(k)
输出:aa bb cc(按输入时的顺序输出)
转载于:https://www.cnblogs.com/valorchang/p/11434627.html
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