Learning objectives: Application of loops in problem solving

Write a program that reads a string of characters from the keyboard that consists

of any of the following characters:

a$-$z A$-$Z $0-9$ space char

until the user enters $$#$.$ Then, your program shall count the total number of

characters, number of uppercase letters, number of lowercase letters, and number

of digit characters.

Example input:

Pssst Huh Q$23$z#

Expected Output:

$14$

$7$

$3$

$2$

$2$

where the first output line is the total number of chars, the next line contains the

number of lowercase letters, the next line is the number of uppercase letters, the

next line is the number of digit characters, and the final line is the number of

space characters. Each output line shall end with a newline.

Name your source code file lab$10.$cpp and submit online lab$10.$cpp online to

Gradescope for grading.