# Modulo Division Of One Pandas Series By Another Pandas Series Or By A Python Sequence

## Overview:

• The function Series.mod() performs a modulo division of values of a pandas.Series instance by another Series. The modulo division returns only the remainder from the division operation.
• Calling Series.mod() function is similar to using the modulo division operator “%”. However using the Series.mod() function enables replacing None, NaN using the fill_value parameter.
• In the same way, to perform floor division or integer division of one pandas.Series instance by another Series the Series.floordiv() can be used.
• As apposed to modulo division operation the floor division returns only the quotient of the division operation.

## Example:

 # Example Python program to perform modulo division of a pandas.Series # by another Series import pandas as pds firstSeries     = pds.Series([13, 25, 37, 49, 57]); secondSeries    = pds.Series([2, 4, 6, 5, 10]); remainders      = firstSeries.mod(secondSeries);   print("Contents of the first series:"); print(firstSeries);   print("Contents of the second series:"); print(secondSeries);   print("First series modulo divided by the second series:"); print(remainders);

## Output:

 Contents of the first series: 0    13 1    25 2    37 3    49 4    57 dtype: int64 Contents of the second series: 0     2 1     4 2     6 3     5 4    10 dtype: int64 First series modulo divided by the second series: 0    1 1    1 2    1 3    4 4    7 dtype: int64

## Example – Modulo division of one pandas Series by a Python Sequence:

A pandas Series can be modulo divided by any Python sequence. This example uses a Python tuple to perform a modulo division on a pandas Series.

 # Example Python program to perform modulo division of a pandas.Series # by another Python Sequence import pandas as pds   series1         = pds.Series([2, 22, 3, 33, 4, 44]); pythonSequence  = (2, 3, 4, 5, 6, 7); theRemainders   = series1.mod(pythonSequence);   print("Contents of series1:"); print(series1);   print("Contents of the Python Seuqence:"); print(pythonSequence);   print("Series1 modulo divided by the Python Seuqence:"); print(theRemainders);

## Output:

 Contents of series1: 0     2 1    22 2     3 3    33 4     4 5    44 dtype: int64 Contents of the Python Seuqence: (2, 3, 4, 5, 6, 7) Series1 modulo divided by the Python Seuqence: 0    0 1    1 2    3 3    3 4    4 5    2 dtype: int64

## Example – Performing modulo division of one pandas Series by another while filling Nan/None values with a default value:

 # Example Python program to perform modulo division of a pandas.Series # by another while filling None/NaN with default values import pandas as pds   # Create python lists list1 = [6, 11, 17, 21, 28]; list2 = [1, 11, None, 4, 5];   # Create pandas Series objects from Python lists s1 = pds.Series(list1); s2 = pds.Series(list2);   # Perform modulo division s3 = s1.mod(s2, fill_value=10);   print(s1); print(s2); print(s3);

## Output:

 0     6 1    11 2    17 3    21 4    28 dtype: int64 0     1.0 1    11.0 2     NaN 3     4.0 4     5.0 dtype: float64 0    0.0 1    0.0 2    7.0 3    1.0 4    3.0 dtype: float64