1.问题
2. 代码
alist = [1, 2, 3, 4, 5]
blist = alist[1:3]
clist = alist[2 : : -1]
dlist = alist[: : 2]
atuple = (1, 2, 3, 4, 5)
btuple = atuple[1:3]
ctuple = atuple[2::-1]
t = 'Mike and Tom'
t1 = t.split()
t2 = '/'.join(t1)
a = {
1, 2, 3, 4, 5}
b = {
2, 4, 6, 8, 10}
cunion = a.union(b)
cinter = a.intersection(b)
cdiff = a.difference(b)
cissu = a.issubset(b)
csym = a.symmetric_difference(b)
a.remove(2)
a.add(12)
a.clear()
aresult = not a
mydic = {
'name':'Tom', 'age':19, 'contury':'china'}
print(mydic.keys())
print(mydic.values())
print('name' in mydic)
print(not mydic)
mydic['weight'] = 80
mydic.pop('weight')
del mydic['age']
print(mydic)