Element - Þr - Remove Last Item and Prepend 0

Characters: Þ, r

Description

Remove the last item of a list and prepend 0. A shortcut for Ṫ0p

Overloads

• lst - [0] + a[:-1]

Examples

• ⟨1|2|3|4|5|6|7|8|9⟩ Þr = ⟨0|1|2|3|4|5|6|7|8⟩
• ⟨⟩ Þr = ⟨0⟩
• `` Þr = `0`