Fix type error in divide_and_conquer/strassen_matrix_multiplication.py

[tianyizheng02]

Describe your change:

Fixes #8733

• Add an algorithm?
• Fix a bug or typo in an existing algorithm?
• Documentation change?

Checklist:

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized.
• I know that pull requests will not be merged if they fail the automated tests.
• This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• All new Python files are placed inside an existing directory.
• All filenames are in all lowercase characters with no spaces or dashes.
• All functions and variable names follow Python naming conventions.
• All function parameters and return values are annotated with Python type hints.
• All functions have doctests that pass the automated testing.
• All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
• If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

[tianyizheng02]

ruff.....................................................................Failed
- hook id: ruff
- exit code: 1

other/guess_the_number_search.py:151:24: RUF010 [*] Use conversion in f-string
    |
151 |     print(f"guess the number : {last_numbers[-1]}")
152 |     print(f"details : {str(last_numbers)}")
    |                        ^^^^^^^^^^^^^^^^^ RUF010
    |
    = help: Replace f-string function call with conversion

Found 1 error.
[*] 1 potentially fixable with the --fix option.

... I didn't even edit this file