Not able to partition my 1.0 TB internal HDD back to normal.
Recently I had 550 GB of my HDD partitioned for windows through bootcamp. It all worked out well until I thought it was time for an upgrade. I went to my Disk Utility application and deleted the windows partition, and instead of the mac OS taking up the space, it was just an empty APFS container that I couldn't delete. I opened bootcamp and made another partition on top of my mac partition and windows did not install. I deleted the partition again and it was just an empty container. I reached the point where I don't mind formatting my computer as long as I get my 1 TB mac OS back.