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[minsikpaul92] Onboarding #2900

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[minsikpaul92] Onboarding #2900

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9 changes: 9 additions & 0 deletions to-lower-case/minsikpaul92.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
class Solution:
def toLowerCase(self, s: str) -> str:
result = []
for char in s:
if "A" <= char <= "Z":
result.append(chr(ord(char) + (ord("a") - ord("A"))))

@youngduck youngduck Nov 6, 2026

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ord("a")-ord("A")값은 항상 32이라서 반복문밖에서 한번 계산해두면 좋을것 같네요!

else:
result.append(char)
return "".join(result)
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