Your MacBook Pro computer comes with the default 1 partition. Creating additional partitions is a important one to manage your files. You can create, edit, merge or delete additional partitions with Disk utility.
Some 3rd party apps also help you to create and manage mac partitions.
Full versions version software offer tools to create, delete, format, hide/show, resize mac hard drive partitions.It also offer demo version. But this version only allows you to hide, reveal, delete and format a Mac partition.
Free partition editor to mange your Mac partitions. Resize, copy, move partitions without data loss. Create additional space for new operating systems.
Create, resize, or merge partitions using Partition magic mac tool. Its also allow user to create partition of external USB drives.
Rearrange space between HFS and NTFS volumes. Its also support fusion drive/file vault.
Another software to create disk partition. Its have additional tools to repair Mac drive.
If you knew any other partition software, do let us via comment.