set集合
''' 把W合并到S里面,去除相同的元素,并更新S。 ''' w = {11,22,33,44} s = {33,44,55,66} s.update(w) print(s) ''' 合并两个列表,去除相同的元素,并赋值給一个变量。 ''' w = {11,22,33,44} s = {33,44,55,66} e = s.union(w) print(e) ''' 移除s里面和w里面相同的元素,并把不同元素更新到s里面。 ''' w = {11,22,33,44} s = {33,44,55,66} s.symmetric_difference_update(w) print(s) ''' 对称差集,移除两个列表中相同元素,并赋值給一个变量。 ''' w = {11,22,33,44} s = {33,44,55,66} e = s.symmetric_difference(w) print(e) ''' 直接移除列表中某个元素,不存在,则报错。 ''' w = {11,44,33,67,66} s = {12,33,55,66} s.remove(33) print(s) ''' 移除列表元素,并赋值給一个变量 ''' w = {11,44,33,67,66} s = {12,33,55,66} print(s) e = s.pop() print(e) ''' 判断s是否是W的父序列,也就是s是不是W的父亲 ''' w = {33,66} s = {12,33,55,66} e = s.issuperset(w) print(e) ''' 判断s是否是w的子序列,也就是s是不是w的儿子。 ''' w = {11,33,66} s = {33,66} e = s.issubset(w) print(e) ''' 判断两个set里是否有相同的,没有就返回True,有就返回False ''' w = {11,44} s = {12,33,55,66} e = s.isdisjoint(w) print(e) ''' 从当前集合直接删除与其不一样的值 ''' w = {11,44,33,67,66} s = {12,33,55,66} s.intersection_update(w) print(s) ''' 把S里和W里不一样的去掉,重新赋值給e变量 ''' w = {11,44,33,67,66} s = {12,33,55,66} e = s.intersection(w) print(e) '''把S里和W一样的去掉,重新赋值給e变量''' w = {11,44,33,67,66} s = {12,33,55,66} e = s.difference(w) print(e) ''' 从当前集合中直接删除与其一样的值 ''' w = {11,44,33,67,66} s = {12,33,55,66} s.difference_update(w) print(s) '''添加元素''' s = {12,33,55,66} s.add('ee') print(s) s = {12,33,55,66} s.clear() print(s) s = {12,33,55,66} e = s.copy() print(e) ''' 移除指定元素不存在报错 ''' w = {11,44,33,67,66} s = {12,33,55,66} s.discard(123) print(s)
''' 把W合并到S里面,去除相同的元素,并更新S。 ''' w = {11,22,33,44} s = {33,44,55,66} s.update(w) print(s) ''' 合并两个列表,去除相同的元素,并赋值給一个变量。 ''' w = {11,22,33,44} s = {33,44,55,66} e = s.union(w) print(e) ''' 移除s里面和w里面相同的元素,并把不同元素更新到s里面。 ''' w = {11,22,33,44} s = {33,44,55,66} s.symmetric_difference_update(w) print(s) ''' 对称差集,移除两个列表中相同元素,并赋值給一个变量。 ''' w = {11,22,33,44} s = {33,44,55,66} e = s.symmetric_difference(w) print(e) ''' 直接移除列表中某个元素,不存在,则报错。 ''' w = {11,44,33,67,66} s = {12,33,55,66} s.remove(33) print(s) ''' 移除列表元素,并赋值給一个变量 ''' w = {11,44,33,67,66} s = {12,33,55,66} print(s) e = s.pop() print(e) ''' 判断s是否是W的父序列,也就是s是不是W的父亲 ''' w = {33,66} s = {12,33,55,66} e = s.issuperset(w) print(e) ''' 判断s是否是w的子序列,也就是s是不是w的儿子。 ''' w = {11,33,66} s = {33,66} e = s.issubset(w) print(e) ''' 判断两个set里是否有相同的,没有就返回True,有就返回False ''' w = {11,44} s = {12,33,55,66} e = s.isdisjoint(w) print(e) ''' 从当前集合直接删除与其不一样的值 ''' w = {11,44,33,67,66} s = {12,33,55,66} s.intersection_update(w) print(s) ''' 把S里和W里不一样的去掉,重新赋值給e变量 ''' w = {11,44,33,67,66} s = {12,33,55,66} e = s.intersection(w) print(e) '''把S里和W一样的去掉,重新赋值給e变量''' w = {11,44,33,67,66} s = {12,33,55,66} e = s.difference(w) print(e) ''' 从当前集合中直接删除与其一样的值 ''' w = {11,44,33,67,66} s = {12,33,55,66} s.difference_update(w) print(s) '''添加元素''' s = {12,33,55,66} s.add('ee') print(s) s = {12,33,55,66} s.clear() print(s) s = {12,33,55,66} e = s.copy() print(e) ''' 移除指定元素不存在报错 ''' w = {11,44,33,67,66} s = {12,33,55,66} s.discard(123) print(s)
''' 把W合并到S里面,去除相同的元素,并更新S。 '''w = {11,22,33,44}s = {33,44,55,66}s.update(w)print(s)
''' 合并两个列表,去除相同的元素,并赋值給一个变量。 '''w = {11,22,33,44}s = {33,44,55,66}e = s.union(w)print(e)
''' 移除s里面和w里面相同的元素,并把不同元素更新到s里面。 '''w = {11,22,33,44}s = {33,44,55,66}s.symmetric_difference_update(w)print(s)
''' 对称差集,移除两个列表中相同元素,并赋值給一个变量。 '''w = {11,22,33,44}s = {33,44,55,66}e = s.symmetric_difference(w)print(e)
''' 直接移除列表中某个元素,不存在,则报错。 '''w = {11,44,33,67,66}s = {12,33,55,66}s.remove(33)print(s)
''' 移除列表元素,并赋值給一个变量 '''w = {11,44,33,67,66}s = {12,33,55,66}print(s)e = s.pop()print(e)
''' 判断s是否是W的父序列,也就是s是不是W的父亲 '''w = {33,66}s = {12,33,55,66}e = s.issuperset(w)print(e)
''' 判断s是否是w的子序列,也就是s是不是w的儿子。 '''w = {11,33,66}s = {33,66}e = s.issubset(w)print(e)
''' 判断两个set里是否有相同的,没有就返回True,有就返回False '''w = {11,44}s = {12,33,55,66}e = s.isdisjoint(w)print(e)
''' 从当前集合直接删除与其不一样的值 '''w = {11,44,33,67,66}s = {12,33,55,66}s.intersection_update(w)print(s)
''' 把S里和W里不一样的去掉,重新赋值給e变量 '''w = {11,44,33,67,66}s = {12,33,55,66}e = s.intersection(w)print(e)
'''把S里和W一样的去掉,重新赋值給e变量'''w = {11,44,33,67,66}s = {12,33,55,66}e = s.difference(w)print(e)
''' 从当前集合中直接删除与其一样的值 '''w = {11,44,33,67,66}s = {12,33,55,66}s.difference_update(w)print(s)
'''添加元素'''s = {12,33,55,66}s.add('ee')print(s)
s = {12,33,55,66}s.clear()print(s)
s = {12,33,55,66}e = s.copy()print(e)
''' 移除指定元素不存在报错 '''w = {11,44,33,67,66}s = {12,33,55,66}s.discard(123)print(s)