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string = "Hello, world!" substring = "world" replacement = "Python" new_string = string.replace(substring, replacement) print(new_string) # Êä³ö£ºHello, Python!
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import re string = "Hello, world!" pattern = r"world" replacement = "Python" new_string = re.sub(pattern, replacement, string) print(new_string) # Êä³ö£ºHello, Python!
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