赵铁柱','李二丫'}
print(linuxs-pythons)
print(pythons-linuxs)
6)对称差集
pythons={'egon','alex','张3','李4','王5'...,'bgx','alex','陈独秀','赵铁柱','李二丫'}
print(linuxs == pythons)
print(pythons == linuxs)
8)父集:>,>=
pythons...赵铁柱','李二丫'}
print(pythons.intersection(linuxs))
print(pythons&linuxs)
#并集
pythons={'egon','alex','张...','赵铁柱','李二丫'}
print(pythons.symmetric_difference(linuxs))
print(pythons^linuxs)
#父集
pythons={'egon...={'oldboy','bgx','alex','陈独秀','赵铁柱','李二丫'}
pythons=pythons.difference(linuxs)
print(pythons)
pythons