Python - Comma after a number within a tuple, what does it do?

Question

zzz = ((123,)) + (456,)
print(zzz)

#outputs (123, 456)

Aside from preventing mathematical evaluations,
are there any other purpose for having the commas in line 1?

Answer 1

it makes it a tuple. otherwise itd just be a number in some parenthesis. try stuff out