Answers for "how do you find and remove duplicate data?"

1

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)
Posted by: Guest on November-06-2021
0

remove duplicates from sorted array

def remove_duplicate(nums: [int]) -> int:
  nums[:] = sorted(set(nums))
  return len(nums)
Posted by: Guest on December-29-2020

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