从python字符串中获取特定部分

string = "Hello, World!"
substring = string[7:12]
print(substring)

World

import re

string = "Hello, World!"
pattern = r"o, (.*?)!"
match = re.search(pattern, string)
if match:
    substring = match.group(1)
    print(substring)

World

string = "Hello, World!"
substring = string.split(", ")[1]
print(substring)

World!