'''
File: letterCount.py
Author: CS 1510
Description: Prints a table of the counts of each letter in a string.
'''

#Function letterCount
#Inputs: inputStr (string)
#Outputs: None
#Description: Prints a table of the letters of the alphabet (in
#   alphabetical order) together with the number of times each letter
#   occurs in inputStr.

def letterCount(inputStr):

    letters="abcdefghijklmnopqrstuvwxyz"

    #Let's make our input string lowercase
    lowerStr = inputStr.lower()

    #create the letter dictionary
    letterDict={}

    #populate the dictionary with letters, each with count of 0
    for char in letters:
        letterDict[char]=0

    #Go through our sentence, adding one to our dictionary for
    #each letter we find
    for char in inputStr:
        if char in letters:
            letterDict[char] +=1

    #Print the dictionary
    #How come for key in letterDict will print out in random order?
    for char in letters:
        print(char, letterDict[char])

    
    return None