Python | Pandas PeriodIndex.is_leap_year

Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes importing and analyzing data much easier.

Pandas PeriodIndex.is_leap_year attribute return an array of boolean values corresponding to each element in the PeriodIndex object. It return True if the given year is a leap year else it return False if it is not a leap year.

Syntax : PeriodIndex.is_leap_year

Parameters : None

Return : array of boolean values

Example #1: Use PeriodIndex.is_leap_year attribute to check for each element in the given PeriodIndex object, whether it is a leap year or not.

# importing pandas as pd
import pandas as pd

# Create the PeriodIndex object
pidx = pd.PeriodIndex(start ='2003-12-21 08:45 ',
              end ='2009-12-21 11:55', freq ='Y')

# Print the PeriodIndex object
print(pidx)

Output :

Now we will use the PeriodIndex.is_leap_year attribute to check if the given year is a leap year or not.

# check for leap year
pidx.is_leap_year

Output :

As we can see in the output, the PeriodIndex.is_leap_year attribute has returned an array containing boolean values. True indicates the given year was a leap year and False indicates the given year was not a leap year.

Example #2: Use PeriodIndex.is_leap_year attribute to check for each element in the given PeriodIndex object, whether it is a leap year or not.

# importing pandas as pd
import pandas as pd

# Create the PeriodIndex object
pidx = pd.PeriodIndex(start ='2016-02-1',
           end ='2016-02-06', freq ='D')

# Print the PeriodIndex object
print(pidx)

Output :

Now we will use the PeriodIndex.is_leap_year attribute to check if the given year is a leap year or not.

# check for leap year
pidx.is_leap_year

Output :

As we can see in the output, the PeriodIndex.is_leap_year attribute has returned an array containing boolean values. True indicates the given year was a leap year and False indicates the given year was not a leap year.