Thinking...
We are going to write a function is_palindrome(s) that returns True if the
string s is a palindrome.
A palindrome is a string that reads the same forwards and backwards.
We note: The problem says "one test case", meaning we are to write the
function and then provide one test case?
But the problem says: "Write a Python function ... that returns True if s
is a palindrome. One test case."
However, the problem doesn't specify if we have to write the test case as
part of the function or separately.
Let me re-read: "One test case" probably means that we are to write the fu
function and then we are to include one test case (for demonstration?).
But the problem says: "Write a Python function ...". So I think we just wr
write the function.
However, the problem says "One test case". So I think the problem expects
us to write the function and then also write one test case (like a call to
the function and print).
But note: the problem says "Write a Python function ... that returns True
if s is a palindrome. One test case."
I think they want the function and then one test case (like an example) to
to run.
Let me do:
Option 1: Just the function (without any test) but the problem says "One t
test case", so I'll write the function and then one test case.
However, the problem might be interpreted as: write the function and then
provide one test case (meaning one example of input and expected output).
But the problem says: "One test case" (singular) for the function.
Since the problem is a bit ambiguous, I'll write:
def is_palindrome(s):
# ... function body
# Then one test case: for example, test with s = "radar"
But note: the problem says "Write a Python function ...", so the main
output should be the function.
However, the problem says "One test case", meaning we have to show one
test?
Let me see the instruction: "Write a Python function is_palindrome(s) that
that returns True if s is a palindrome. One test case."
I think they want the function and then one test case (like a call to the
function and a print statement).
But to be safe, I'll write the function and then a test case in the code.
Alternatively, the problem might mean that we are to write the function an
and then we are to have one test case (so the function is tested with one s
string).
However, the problem says: "One test case" (so one example of input and ex
expected output).
I'll write:
def is_palindrome(s):
# Check if the string is equal to its reverse
return s == s[::-1]
# One test case:
test_string = "radar"
print(f"Is '{test_string}' a palindrome? {is_palindrome(test_string)}")
But note: the problem says "One test case", so we are only to show one
test.
However, the problem doesn't specify if the test case should be in the
code or just described.
Since it's a programming problem, I think they expect the function and
then a test case that runs.
But the problem says: "Write a Python function ...", so the main answer is
is the function. The test case is an extra.
Let me read the problem again: it says "One test case". So I think they wa
want one test case to be written (as a string) but that might be confusing.
confusing.
Alternatively, the problem might be: write the function and then provide o
one test case (meaning one example of input and expected output) in the
form of a comment.
However, I think the problem expects:
def is_palindrome(s):
...
# Test case:
# Input: "radar" -> Expected: True
But to be safe, I'll write the function and then a test case that runs (so
(so that the user can run it).
But note: the problem says "One test case", so we write one test.
Let me write the function and then one test case (with a print statement)
so that when run, it shows one test.
However, the problem does not specify the language of the test case. Since
Since it's Python, I'll write in Python.
Steps:
We'll define the function.
Then we'll do one test: for example, the string "radar" is a palindrome.
palindrome.
But note: what if the string has spaces? The problem doesn't specify.
Typically, palindromes are case-sensitive and without spaces?
However, the problem says: "s is a palindrome". We'll assume the string is
is as given.
We'll do: s == s[::-1] -> this works for any string (including with
spaces, but note: if the string has spaces, then it's not a palindrome
without removing spaces?).
But the problem doesn't specify. Let's assume the problem expects the
standard definition: without any modification (so spaces are considered).
However, the problem says: "One test case". So we can choose a test that i
is simple.
Let me choose a test that is without spaces and is a palindrome.
I'll write the function and