Who wrote the song called The winner takes it all for ABBA?

"The Winner Takes It All" was written by Benny Andersson and Björn Ulvaeus of ABBA. The song was released in 1980 as part of their album "Super Trouper." It is renowned for its poignant lyrics and emotional depth, reflecting themes of heartbreak and loss. The lead vocals were performed by Agnetha Fältskog.