celyes

def recursive(n):
    if n == 0:
        return 0
    elif n == 1:
        return 1
    else :
        return n * recursive(n-1)

print(recursive(5))

celyes

def reverseStr(s):
    print(s[::-1])

x = input("Write a word to reverse : ")
reverseStr(x.lower())

celyes

#Prints even characters
def printEven(text):
    result = ""
    for i in range(len(text)):
        if i%2==0:
            result = result + text[i]
    return result

#Prints Odd characters
def printOdd(text):

celyes

def remove_duplicate(text):

    # container to receive unique values from text

    allowed_string = []

    #  #
    # this loop adds character to the allowed_string array
    # only if it is unique
    #  #