Dataframe

Full form of NaN is

Data structures in Pandas can be mutated in the terms of ____ but not of _____.

pandas is a:

Write the output for the following:

import pandas as pd1

s = pd1.Series(5, index=[0, 1, 2, 3])

print(s)

write the output:

import pandas as pd1

s = pd1.Series([1,2,3])

t = pd1.Series([1,2,4])

u=s-t

print (u)

write the output:

import pandas as pd

s=pd.Series([1,2,3,4],index=['a','b','c','d'])

print(s.iloc[2:4])

write the output:

import pandas as pd

s=pd.Series([1,2,3,4],index=['a','b','c','d'])

print(s.loc['b':'d'])

In data science, which of the python library are more popular ?

Series.tail(3) will return how many values.

Series.head() will return how many rows.