求助,如何按列表内字典值的长度进行排序
需要应用lambda表达式,但不知道怎么写代码如下,就是最后排序时混乱,不知道该怎么写表达式
def find(a):
adict = {}
alist = []
for i in range(1,a+1):
if a % i == 0:
alist.append(i)
adict.setdefault(a,alist)
return adict
alist = list(map(int,(input('请输入多个数字:').split())))
blist = []
for i in alist:
blist.append(find(i))
blist = sorted(blist,key = lambda b:b[],reverse=False)
print(blist)
def find(a):
adict = {}
alist = []
for i in range(1,a+1):
if a % i == 0:
alist.append(i)
adict.setdefault(a,alist)
return adict
alist = list(map(int,(input('请输入多个数字:').split())))
blist = []
for i in alist:
blist.append(find(i))
blist = sorted(blist,key = lambda b:len(next(iter(b.values()))),reverse=False)
print(blist) isdkz 发表于 2022-4-18 06:28
我想请问一下。iter与next的分别是怎么作用的? zesty0338 发表于 2022-4-18 07:55
我想请问一下。iter与next的分别是怎么作用的?
iter 是将一个可迭代对象转成迭代器,要转成迭代器之后才可以用 next 迭代出数据 isdkz 发表于 2022-4-18 07:56
iter 是将一个可迭代对象转成迭代器,要转成迭代器之后才可以用 next 迭代出数据
那么如果遇到长度一样的,再按键的大小排序能做到吗?
zesty0338 发表于 2022-4-18 07:58
那么如果遇到长度一样的,再按键的大小排序能做到吗?
def find(a):
adict = {}
alist = []
for i in range(1,a+1):
if a % i == 0:
alist.append(i)
adict.setdefault(a,alist)
return adict
alist = list(map(int,(input('请输入多个数字:').split())))
blist = []
for i in alist:
blist.append(find(i))
blist = sorted(blist,key = lambda b:(
len(next(iter(b.values()))), next(iter(b.keys()))
),reverse=False)
print(blist) isdkz 发表于 2022-4-18 08:01
感谢,我有点理解了 本帖最后由 isdkz 于 2022-4-18 08:14 编辑
zesty0338 发表于 2022-4-18 08:03
感谢,我有点理解了
这样写也可以:
def find(a):
adict = {}
alist = []
for i in range(1,a+1):
if a % i == 0:
alist.append(i)
adict.setdefault(a,alist)
return adict
alist = list(map(int,(input('请输入多个数字:').split())))
blist = []
for i in alist:
blist.append(find(i))
blist = sorted(blist,key = lambda b:[
(len(i), k) for k, i in b.items()
],reverse=False)
print(blist)
满意的话给个最佳答案哦,谢谢了{:5_95:}
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