droping Duplicates
# this is based on 2 factors the name of the dog and the breed of the dog so we can
# have 2 dog with the same name but diff breed.
df.drop_duplicates(subset=["name", "breed"])
# Without including index
df.drop_duplicates(subset=["name", "breed"], index = False)remove duplicates from sorted array
// Java
public int removeDuplicates(int[] nums) {
if (nums.length == 0) return 0;
int i = 0;
for (int j = 1; j < nums.length; j++) {
if (nums[j] != nums[i]) {
i++;
nums[i] = nums[j];
}
}
return i + 1;
}Copyright © 2021 Codeinu
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