4 examples of 'python get first item in dict' in Python

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def _find_dict_in_list(list_of_dict, key, val):
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    """Given a list of dictionaries, return the first dictionary that has the
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    given key:value pair.
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    """
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    try:
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        for d in list_of_dict:
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            if (key, val) in d.items():
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                return d
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    except TypeError:
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        pass

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def first_key(d):
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    if sys.version < '3':
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        return sorted(d.keys())[0]
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    else:
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        for key in sorted(d.keys()):
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            return key

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def first(iterable, default=None, key=None):
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    """
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    Return the first truthy value of an iterable.
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    Shamelessly stolen from https://github.com/hynek/first
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    """
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    if key is None:
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        for el in iterable:
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            if el:
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                return el
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    else:
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        for el in iterable:
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            if key(el):
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                return el
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    return default

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def __getitem__(self, key):
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    for k, v in self:
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        if key == k:
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            return v
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    raise KeyError