Largest Number At Least Twice of Others | Python

Python for beginners: https://www.youtube.com/watch?v=egq7Z...

Code:

class Solution:

    def dominantIndex(self, nums: List[int]) -> int:

        f=max(nums);

        rs=nums.index(f);

        u=[];

        g=0;

        for i in nums:

            if(i!=f):

                u.append(i);

        if(len(u)!=0):

            g=max(u);

        if(f>=2*g):

            return rs;

        else:

            return -1;

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