16/03/30 05:39:51.79 ij4V+9+M.net
>>>342 Python3
def f(L):
return sorted(L, key=lambda x: (-L.count(x), L.index(x)))
print("".join(f("Hello world")))
16/03/30 05:39:51.79 ij4V+9+M.net
>>>342 Python3
def f(L):
return sorted(L, key=lambda x: (-L.count(x), L.index(x)))
print("".join(f("Hello world")))