这篇文章主要为大家详细介绍了python中set的用法：详细源码示例，具有一定的参考价值，可以用来参考一下。

set函数基本用法感兴趣的小伙伴，下面一起跟随512笔记的小编罗X来看看吧。

python代码如下：

# python中set函数基本用法示例(512笔记整理)

class set(object):

"""

set() -> new empty set object

set(iterable) -> new set object

Build an unordered collection of unique elements.

"""

def add(self, *args, **kwargs):

"""添加"""

"""

Add an element to a set.

This has no effect if the element is already present.

"""

pass

def clear(self, *args, **kwargs):

"""清除"""

""" Remove all elements from this set. """

pass

def copy(self, *args, **kwargs):

"""浅拷贝"""

""" Return a shallow copy of a set. """

pass

def difference(self, *args, **kwargs):

"""比较"""

"""

Return the difference of two or more sets as a new set.

(i.e. all elements that are in this set but not the others.)

"""

pass

def difference_update(self, *args, **kwargs):

""" Remove all elements of another set from this set. """

pass

def discard(self, *args, **kwargs):

"""删除"""

"""

Remove an element from a set if it is a member.

If the element is not a member, do nothing.

"""

pass

def intersection(self, *args, **kwargs):

"""

Return the intersection of two sets as a new set.

(i.e. all elements that are in both sets.)

"""

pass

def intersection_update(self, *args, **kwargs):

""" Update a set with the intersection of itself and another. """

pass

def isdisjoint(self, *args, **kwargs):

""" Return True if two sets have a null intersection. """

pass

def issubset(self, *args, **kwargs):

""" Report whether another set contains this set. """

pass

def issuperset(self, *args, **kwargs):

""" Report whether this set contains another set. """

pass

def pop(self, *args, **kwargs):

"""

Remove and return an arbitrary set element.

Raises KeyError if the set is empty.

"""

pass

def remove(self, *args, **kwargs):

"""

Remove an element from a set; it must be a member.

If the element is not a member, raise a KeyError.

"""

pass

def symmetric_difference(self, *args, **kwargs):

"""

Return the symmetric difference of two sets as a new set.

(i.e. all elements that are in exactly one of the sets.)

"""

pass

def symmetric_difference_update(self, *args, **kwargs):

""" Update a set with the symmetric difference of itself and another. """

pass

def union(self, *args, **kwargs):

"""

Return the union of sets as a new set.

(i.e. all elements that are in either set.)

"""

pass

def update(self, *args, **kwargs):

""" Update a set with the union of itself and others. """

pass

def __and__(self, *args, **kwargs):

""" Return self&value. """

pass

def __contains__(self, y):

""" x.__contains__(y) <==> y in x. """

pass

def __eq__(self, *args, **kwargs):

""" Return self==value. """

pass

def __getattribute__(self, *args, **kwargs):

""" Return getattr(self, name). """

pass

def __ge__(self, *args, **kwargs):

""" Return self>=value. """

pass

def __gt__(self, *args, **kwargs):

""" Return self>value. """

pass

def __iand__(self, *args, **kwargs):

""" Return self&=value. """

pass

def __init__(self, seq=()): # known special case of set.__init__

"""

set() -> new empty set object

set(iterable) -> new set object

Build an unordered collection of unique elements.

# (copied from class doc)

"""

pass

def __ior__(self, *args, **kwargs):

""" Return self|=value. """

pass

def __isub__(self, *args, **kwargs):

""" Return self-=value. """

pass

def __iter__(self, *args, **kwargs):

""" Implement iter(self). """

pass

def __ixor__(self, *args, **kwargs):

""" Return self^=value. """

pass

def __len__(self, *args, **kwargs):

""" Return len(self). """

pass

def __le__(self, *args, **kwargs):

""" Return self<=value. """

pass

def __lt__(self, *args, **kwargs):

""" Return selfsize of S in memory, in bytes """

pass

def __sub__(self, *args, **kwargs):

""" Return self-value. """

pass

def __xor__(self, *args, **kwargs):

""" Return self^value. """

pass

__hash__ = None

# 来自www.512pic.com

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关键词：set函数