📅  最后修改于: 2022-03-11 14:47:20.256000             🧑  作者: Mango
my_dict = {'foo': 'bar', 'spam': 'eggs'}
next(iter(my_dict)) # outputs 'foo'
# or
my_dict = {'foo': 'bar', 'spam': 'eggs'}
list(my_dict.keys())[0] # outputs 'foo'