68、'tuple', 转换为元组类型
class tuple(object)
| tuple() -> empty tuple
| tuple(iterable) -> tuple initialized from iterable's items
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| If the argument is a tuple, the return value is the same object.
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| Methods defined here:
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| __add__(self, value, /)
| Return self+value.
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| __contains__(self, key, /)
| Return key in self.
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| __eq__(self, value, /)
| Return self==value.
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| __ge__(self, value, /)
| Return self>=value.
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| __getattribute__(self, name, /)
| Return getattr(self, name).
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| __getitem__(self, key, /)
| Return self[key].
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| __getnewargs__(...)
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| __gt__(self, value, /)
| Return self>value.
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| __hash__(self, /)
| Return hash(self).
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| __iter__(self, /)
| Implement iter(self).
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| __le__(self, value, /)
| Return self<=value.
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| __len__(self, /)
| Return len(self).
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| __lt__(self, value, /)
| Return self<value.
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| __mul__(self, value, /)
| Return self*value.n
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| __ne__(self, value, /)
| Return self!=value.
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| __new__(*args, **kwargs) from builtins.type
| Create and return a new object. See help(type) for accurate signature.
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| __repr__(self, /)
| Return repr(self).
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| __rmul__(self, value, /)
| Return self*value.
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| count(...)
| T.count(value) -> integer -- return number of occurrences of value
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| index(...)
| T.index(value, [start, [stop]]) -> integer -- return first index of value.
| Raises ValueError if the value is not present.