Use two-dot as range operator

Hi community,

Colon : is used for slicing,
Can two-dot .. be used for range?

"12345"[0:3] # end excluded slice # '123' `
0..5         # half open range(5) # 0, 1, 2, 3, 4 

There are other languages which use this for range operator.

Rust (2006) Swift (2014)
Half open .. ..<
Closed range ..= ...

See PEP 204 - Range Literals: Getting closure.