# Write a Python program to Specific Characters Frequency in String List # Python3 code to demonstrate working of # Specific Characters Frequency in String List# Using join() + Counter()from collections import Counter  # initializing liststest_list = ["geeksforgeeks is best for geeks"]  # printing original listprint("The original list : " + str(test_list))  # char list chr_list = ['e', 'b', 'g']  # dict comprehension to retrieve on certain Frequenciesres = {key:val for key, val in dict(Counter("".join(test_list))).items() if key in chr_list}      # printing result print("Specific Characters Frequencies : " + str(res))