refactor: replace "for" loop with "while" loop

[noritaka1166]

replace "for" loop with "while" loop for better readability

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.24%. Comparing base (ff8093c) to head (3935528).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #169   +/-   ##
=======================================
  Coverage   93.24%   93.24%           
=======================================
  Files          24       24           
  Lines        1822     1822           
  Branches      584      584           
=======================================
  Hits         1699     1699           
  Misses        114      114           
  Partials        9        9           

Flag	Coverage Δ
integration	93.24% <100.00%> (ø)

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