How can I get awk to print without white space?

Question

When I run the following

awk -F\, '{print $2,":",$1}'

It prints

"First : Second"

How can I get

"First:Second"

Answer 1

Try this:

awk -F\, '{print $2":"$1}'

Answer 2

Omit the ,s

awk -F\, '{print $2 ":" $1}'