大佬，这个if direction == "left": values.reverse() 冒号是啥意思
:后面加个回车键你就能看懂了
def element_sort(list_ele):
list_a = []
list_b = []
"""
输出：[['black', 'white'], ['red', 'green'], ['green', 'black']]
"""
for i in range(len(list_ele)):
list_temp = list_ele[i].split(' ')
if list_temp[-1] == 'left':
list_b.append([list_temp[2], list_temp[0]])
else:
list_b.append([list_temp[0], list_temp[2]])
print(list_b)
"""
两两比较，可能有：0个交集、1个交集、2个交集
"""
list_a = list_b.pop(0)
for j in range(len(list_b)):
inter = list(set(list_a) & set(list_b[j])) # inter为交集
if len(inter) == 0:
"""0个交集，先将没有交集的后移"""
list_b.append(list_b.pop(j))
inter = list(set(list_a) & set(list_b[j])) # inter为交集
if list_b[j].index(inter[0]) == 1:
"""交集在后往前插"""
list_a.insert(list_a.index(inter[0]), list_b[j][0])
elif list_b[j].index(inter[0]) == 0:
"""交集在前往后插"""
list_a.insert(list_a.index(inter[0]) + 1, list_b[j][1])
elif len(inter) == 1:
if list_b[j].index(inter[0]) == 1:
"""交集在后往前插"""
list_a.insert(list_a.index(inter[0]), list_b[j][0])
elif list_b[j].index(inter[0]) == 0:
"""交集在前往后插"""
list_a.insert(list_a.index(inter[0]) + 1, list_b[j][1])
elif len(inter) == 2:
"""如果相同则跳过本次循环"""
continue
print(f"最终结果为：{list_a}")
def solution(hints: list)-> list:
res_list=[]
list_hints=[(i[2],i[0]) if i[5]=='left' else (i[0],i[2]) for i in map(str.split,hints)]
for h in list_hints:
if res_list==[]:
res_list=list(h)
else:
if h[1]==res_list[0]:
res_list.insert(0,h[0])
elif h[0]==res_list[-1]:
res_list.append(h[1])
return res_list
assert solution(["d has c on his left","c has b on his left","b has a on his left"]) == ["a", "b", "c", "d"]
assert solution(["d has c on his right","c has b on his right","b has a on his right"]) == ["d", "c", "b", "a"]
assert solution(["red has green on his right","green has red on his left"]) == ["red", "green"]