pocketpy/docs/features/incdec.md

icon	title
dot	Increment Statement

pkpy provides ++i and --j statements to operate a simple named int variable.

• ++i is equivalent to i+=1, but much faster
• --j is equivalent to j-=1, but much faster

Example

a = 1
++a
assert a == 2

def f(a):
  --a
  return a

assert f(3) == 2