$7\mathrm{.}18$ LAB: Count input length without spaces, periods, exclamation points, or commas

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$","2","?").$

$539770\mathrm{.}2065304\mathrm{.}43z0y7$

LAB ACTIVITY

$7\mathrm{.}18\mathrm{.}1$: LAB: Count input length without spaces, periods, exclamation points, or commas

$\frac{0}{10}$

main.py

Load default template...

$1$ user$\_$text $=$ input$()$

$3...$ Type your code here.