$5\mathrm{.}10$ LAB: Warm up: Parsing strings

$(1)$ Prompt the user for a string that contains two strings separated by a comma. $(1$ pt$)$

$-$ Examples of strings that can be accepted:

$-$ Jill, Allen

$-$ Jill, Allen

$-$ Jill,Allen

Ex:

$```$

Enter input string:

Jill, Allen

$```$

$(2)$ Print an error message if the input string does not contain a comma. Continue to prompt until a valid string is entered. Note: If the input contains a comma, then assume that the input also contains two strings. $(2$ pts$)$

Ex:

$```$

Enter input string:

Jill Allen

Error: No comma in string.

Enter input string:

Jill, Allen

$```$

$(3)$ Extract the two words from the input string and remove any spaces. Store the strings in two separate variables and output the strings. $(2$ pts$)$