Not necessarily. Whether to use a comma at all is a matter of style, not grammar. Some style guides suggest using a comma before and only if three or more items are listed (sugar, spice, and everything nice). Other style guides don't recommend using the comma (sugar, spice and everything nice). Commas are rarely used in a list of just two items (dogs and cats).
A comma after the word and is rare, but may occasionally occur if there is some phrase after and that needs to be set off: And, I say to you, go forth and conquer! And, Joey, you go with Martha.
last comma before the and is not necessary
No, there is not a comma after "except that."
5 comma 300 comma 000 comma 000 comma 000 comma 000.
The comma goes after.
cut the comma in half
This is a comma = , This is a colon = :
The antonym for a comma is an apostrophe
you do not have to put the comma there
Comma after what?
If a sentence consists of two independent clauses with a comma between them, it is a comma splice. That is, the part before the comma can stand on its own as a sentence, and the part after the comma can also stand on its own as a sentence, then it is a comma splice. If there is no punctuation there instead of a comma, it is known as a run-on sentence.
No, they don't and I don't know if it's comma like coe-ma or comma like comma, and if it was a comma like comma, it would be an apostrophe.
A comma splice is such a comma, when it collects two independent clauses are connected by only a comma. The following example illustrates a comma splice: the job is hard, get some rest.