The interview process started well with a professional and engaging conversation.

The next section consisted of very basic questions, like what's a difference between a list and a map, or what are the OOP principles. This felt more like a junior level screening to me.

And the last section was live coding. The task was trivial and not representative of real work at all. More importantly, the interviewer provided zero interaction or feedback during this section.

Write a calculator function supporting + and - operations. Numbers and operators may be written either as digits or as words.

Example 1: Input: "3 + two minus 1" Output: "4"

Example 2: Input: "minus 33 plus 1 1 minus two two" Output: "-44"