Sort a list to form the largest possible number

Question

I am trying to write a function that given a list of non negative integers, arranges them such that they form the largest possible number.

For example, given

Answer 1

List item

def create_largest_number(number_list):
    res=''
    for i in number_list:
        res= res+ str(i)
        new=''.join(sorted(res))
    return new[::-1]       

number_list=[23,45,67]
largest_number=create_largest_number(number_list)
print(largest_number)