Python | Find the frequency of a given character at each position in a list of lists

# Python code to find the frequency of a character
# at each list position in the list of lists.

 
# Initialize the insertion list

Input = [[ ’X ’ , ’ Y’ , ’X’ ], [ ’ Z’ , ’Y’ , ’ X’ ],

  [ ’Y’ , ’ Y’ , ’Y’ ], [ ’ Z’ , ’Z’ , ’ X’ ],

[ ’Y’ , ’ Z’ , ’X’ ]]

Output = []

 
# Character initialization

character = ’X’

  
# Initialize the output list

for elem in range ( len ( Input [ 0 ]) ):

Output.append ( 0 )

 
# Using iteration

for elem in Input :

for x, y in enumerate (elem) :

if y = = character:

Output [x] + = 1

for x, y in enumerate (Output):

Output [x] = y / len ( Input )

  
# Print

print ( "Initial list of list is:" , Input )

print ( "Occurrence of’ X’ in list is " , Output)

# Python code to find character frequency
# on each sleep position ska in the list of lists.

 
# Initialize the input list

Input = [[ ’X’ , ’ Y’ , ’X’ ], [ ’ Z’ , ’Y’ , ’ X’ ],

[ ’Y’ , ’ Y’ , ’Y’ ], [ ’ Z’ , ’Z’ , ’ X’ ],

[ ’ Y’ , ’Z’ , ’X’ ]]

Output = []

  
# Character initialization

character = ’X’

 
# Using zip

Output = [elem.count (character) / len (elem)

  for elem in zip ( * Input )]

 
# Print

print ( "Initial list of list is: " , Input )

print ( "Occurrence of’ X’ in list is " , Output)

# Python code to find the frequency of a character
# at each list position in the list of lists.

import pandas as pd

 
# Initialize the input list

Input = [[ ’X’ , ’Y’ , ’ X’ ] ,

[ ’Z’ , ’ Y’ , ’X’ ],

[ ’Y’ , ’Y’ , ’ Y’ ],

[ ’Z’ , ’ Z’ , ’X’ ],

  [ ’ Y’ , ’Z’ , ’ X’ ]]

 
# Character definition

character = ’ X’

 
# using pandas

Output = pd.DataFrame ( Input )

Output = Output.where (Output = = character, 0 ). where (Output! = character, 1 )

 
# Print

print ( " Initial list of list is: " , Input )

print ( " Occurrence of ’X’ in list is" , Output.mean ())