Given a line of text as input, output the number of characters excluding spaces, periods, exclamation points, or commas.

Ex: If the input is:

Listen, Mr$.$ Jones, calm down.

the output is:

$21$

Note: Account for all characters that aren't spaces, periods, exclamation points, or commas $($Ex: $"$r$","2","?").$

main.py

$1$ u:

$2$

$3$

$4$