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According to is it bad, you can use some unicode characters, but not all: You are restricted to characters identified as letters.

>>> α = 3 
>>> Σ = sum 
>>> import math 
>>> √ = math.sqrt 
 File "<stdin>", line 1 
  √ = 3 
   ^ 
SyntaxError: invalid character in identifier

Besides: I think it is very cool to be able to use unicode as identifiers - and I wish, i could use all.

I use the neo keyboard layout, which gives me greek and math symbols on extra layers:

αβχδεφγψιθκλνοπφστ[&ωξυζ
∀⇐CΔ∃ΦΓΨ∫Λ⇔Σ∈QR∂⊂√∩Ξ

According to is it bad, you can use some unicode characters, but not all: You are restricted to characters identified as letters.

>>> α = 3 
>>> Σ = sum 
>>> import math 
>>> √ = math.sqrt 
 File "<stdin>", line 1 
  √ = 3 
   ^ 
SyntaxError: invalid character in identifier

Besides: I think it is very cool to be able to use unicode as identifiers - and I wish, i could use all.

I use the neo keyboard layout, which gives me greek and math symbols on extra layers:

αβχδεφγψιθκλνοπφστ[&ωξυζ
∀⇐CΔ∃ΦΓΨ∫Λ⇔Σ∈QR∂⊂√∩Ξ

According to is it bad, you can use some unicode characters, but not all: You are restricted to characters identified as letters.

α = 3
Σ = sum
import math
√ = math.sqrt
File "", line 1
√ = 3
^
SyntaxError: invalid character in identifier

Besides: I think it is very cool to be able to use unicode as identifiers - and I wish, i could use all.

I use the neo keyboard layout, which gives me greek and math symbols on extra layers:

αβχδεφγψιθκλνοπφστ[&ωξυζ
∀⇐CΔ∃ΦΓΨ∫Λ⇔Σ∈QR∂⊂√∩Ξ

According to is it bad, you can use some unicode characters, but not all: You are restricted to characters identified as letters.

>>> α = 3 
>>> Σ = sum 
>>> import math 
>>> √ = math.sqrt 
 File "<stdin>", line 1 
  √ = 3 
   ^ 
SyntaxError: invalid character in identifier

Besides: I think it is very cool to be able to use unicode as identifiers - and I wish, i could use all.

I use the neo keyboard layout, which gives me greek and math symbols on extra layers:

αβχδεφγψιθκλνοπφστ[&ωξυζ
∀⇐CΔ∃ΦΓΨ∫Λ⇔Σ∈QR∂⊂√∩Ξ

According to is it bad, you can use some unicode characters, but not all: You are restricted to characters identified as letters.

α = 3
Σ = 3
√ = 3
File "", line 1
√ = 3
^
SyntaxError: invalid character in identifier

Besides: I think it is very cool to be able to use unicode as identifiers - and I wish, i could use all.

I use the neo keyboard layout, which gives me greek and math symbols on extra layers:

αβχδεφγψιθκλνοπφστ[&ωξυζ
∀⇐CΔ∃ΦΓΨ∫Λ⇔Σ∈QR∂⊂√∩Ξ

According to is it bad, you can use some unicode characters, but not all: You are restricted to characters identified as letters.

α = 3
Σ = sum
import math
√ = math.sqrt
File "", line 1
√ = 3
^
SyntaxError: invalid character in identifier

Besides: I think it is very cool to be able to use unicode as identifiers - and I wish, i could use all.

I use the neo keyboard layout, which gives me greek and math symbols on extra layers:

αβχδεφγψιθκλνοπφστ[&ωξυζ
∀⇐CΔ∃ΦΓΨ∫Λ⇔Σ∈QR∂⊂√∩Ξ