Character Frequency Analyzed

Write a program that takes in a string and counts the frequency of each character, ignoring spaces and considering uppercase and lowercase letters as the same. Output the character frequencies in descending order of frequency. If two characters have the same frequency, they should be sorted in alphabetical order. Input format: A single line containing the input string. Output format: A list of characters and their frequencies in the format (char: frequency) printed one per line. Example: Input: Hello World Output: h: 1 l: 3 o: 2 r: 1 w: 1 e: 1