standered deviation using python pandas
import pandas as pd
import numpy as np
#Create a DataFrame
d = {
'Name':['Alisa','Bobby','Cathrine','Madonna','Rocky','Sebastian','Jaqluine',
'Rahul','David','Andrew','Ajay','Teresa'],
'Score1':[62,47,55,74,31,77,85,63,42,32,71,57],
'Score2':[89,87,67,55,47,72,76,79,44,92,99,69],
'Score3':[56,86,77,45,73,62,74,89,71,67,97,68]}
df = pd.DataFrame(d)
answer= df.std()
print("The standard deviations of the 3 columns are:")
print (answer)