문자열 . replace(바꾸고 싶은 문자, 변경 후 문자, 횟수) s = hello world, hello everyone print(s.replace('hello', 'hi') // hi world, hi everyone print(s.replace('hello', 'hi', 1) // hi world, hello everyone
s = hello world, hello everyone print(s.replace('hello', 'hi') // hi world, hi everyone print(s.replace('hello', 'hi', 1) // hi world, hello everyone