drop duplicates in dataframe code example

Example 1: drop duplicates pandas first column

import pandas as pd 
  
# making data frame from csv file 
data = pd.read_csv("employees.csv") 
  
# sorting by first name 
data.sort_values("First Name", inplace = True) 
  
# dropping ALL duplicte values 
data.drop_duplicates(subset ="First Name",keep = False, inplace = True) 
  
# displaying data 
print(data)

Example 2: drop duplicate index pandas

df3 = df3[~df3.index.duplicated(keep='first')]

Example 3: df remove duplicate rows

df = df.drop_duplicates()
p