I was able to locate this song. I don't know if it is the same one you needed and all I can get is the chords and I am not very sure that they will display where I put them once they are posted. In short - this may not be any help at all!

SWIMMING

G C G
Swimming, swimming in the swimming-pool

C G A D
When days are hot, when days are cold, in the swimmingpool

G C G
Breat-stroke, side-stroke, fancy diving too.

C G D G
Don't you wish you ever had anything else to do, but....