You have configured your IDLE shell to use a proportional font, one that uses different widths for different characters. Notice how the ()
pair takes almost the same amount of horizontal space as the >
character above it.
Your code is otherwise entirely correct; with a fixed-width font the numbers will line up correctly.
Switch to using a fixed width font instead. Courier is a good default choice, but Windows has various other fonts installed that are proportional, including Consolas.
Configure the font in the Options -> Configure IDLE menu. Pick a different font from the Font Face list. The sample characters in the panel below should line up (except for the second line k
at the end, it should stick out).
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solved Aligning strings in Python