Problem
In the Capital One mobile app, some UI utilities need to display text in reverse order for debugging and formatting checks. Write a function that takes a string s and returns a new string with its characters reversed.
Formal Specification
- Input: A string
s - Output: A string containing the characters of
sin reverse order
Your function should preserve all characters exactly as they appear, including spaces, punctuation, digits, and letter case.
Constraints
- 0 <= len(s) <= 10^5
- s may contain letters, digits, spaces, and punctuation
- The function should return a new reversed string
- Character values must remain unchanged; only their order is reversed
Function Signature
def reverse_string(s):
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