P1 Algorithms • 3 min read

# ask user for input
user_input = input("Enter a string: ")

def is_palindrome(input_str):
    # takes the input and takes out any spaces and makes it lower case for case-sensitive
    input_str = input_str.replace(" ", "").lower()

    # compare the string with its reverse
    return input_str == input_str[::-1]

# takes parameter, user_input which is the string the user put and the function is_palindrome takes it as an argument
if is_palindrome(user_input):
    print("The input is a palindrome.")
else:
    print("The input is not a palindrome.")

The input is a palindrome.

# sorting function to sort a list of names alphabetically
def sort_names(names):
    sorted_names = sorted(names)
    return sorted_names

# list of names
name_list = []
# loop to add user input of names to name_list
while True:
    name = input("Enter a name (or 'done' to finish): ")
    # if user types done. break the loop
    if name.lower() == "done":
        break
    # add the user input name to name_list list
    name_list.append(name)

# sort the list of names using the sorting function
sorted_names = sort_names(name_list)

# display the sorted list of names
print("Sorted names:")
for name in sorted_names:
    print(name)

Sorted names:
Aidan
Daniel
Nathan
Rayyan

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