def punyaHuruf(kataPertama, kataKedua):
kataPertama = kataPertama.lower()
kataKedua = kataKedua.lower()
for huruf in kataPertama:
if huruf not in kataKedua:
return False
return True
# Contoh penggunaan
print(punyaHuruf('cat', 'antarctica')) # True
print(punyaHuruf('cat', 'australia')) # False
print(punyaHuruf('cat', 'ANTARCTICA')) # True
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