""" categories: Core description: f-strings don't support concatenation with adjacent literals if the adjacent literals contain braces cause: MicroPython is optimised for code space. workaround: Use the + operator between literal strings when they are not both f-strings """ x, y = 1, 2 print("aa" f"{x}") # works print(f"{x}" "ab") # works print("a{}a" f"{x}") # fails print(f"{x}" "a{}b") # fails