Python - How to cut a string in Python?

Question

Suppose that I have the following string:

http://www.domain.com/?s=some&two=20

How can I take off what is after & includin

Answer 1

s[0:"s".index("&")]

what does this do:

• take a slice from the string starting at index 0, up to, but not including the index of &in the string.