从字符串中删除第一个出现的<p>

string = "This is a <p>paragraph</p> of text with a <p>second paragraph</p>."
new_string = string.replace("<p>", "", 1)
print(new_string)

This is a paragraph</p> of text with a <p>second paragraph</p>.

import re

string = "This is a <p>paragraph</p> of text with a <p>second paragraph</p>."
new_string = re.sub(r"<p>", "", string, 1)
print(new_string)

This is a paragraph</p> of text with a <p>second paragraph</p>.

string = "This is a <p>paragraph</p> of text with a <p>second paragraph</p>."
split_string = string.split("<p>", 1)
new_string = "".join(split_string)
print(new_string)

This is a paragraph</p> of text with a <p>second paragraph</p>.