Create a dictionary called low_d that keeps track of all the characters in the string p and notes how many times each character was seen. Make sure that there are no repeats of characters as keys, such that "T" and "t" are both seen as a "t" for example.

from collections import defaultdict #importing defaultdict

low_d=defaultdict (int) #declaring an empty dictionary

string=str (input ("Enter your string / n")) #taking input of the string ...

for i in string:#iterating over the string ...

low_d[str. lower (i) ] + = 1 #adding the character in lowercase and increasing it's count ...

for key, value in low_d. items () : #iterating over the dictionary.

print (key+":"+str (value)) #printing the key value pair ...

Output:-

Enter your string

ramaranR

n:1

m:1

a:3

r:3

Explanation:

I have declared an empty dictionary using defaultdict then I have ask the user to input the string. Then I iterated over the string and added each character to the dictionary and updated it's count. Then printing the characters and their frequency.