Answer to Question #235067 in Python for kaavya

Question

Replacing Characters of Sentence

You are given a string S. Write a program to replace each letter of the string with the next letter that comes in the English alphabet.

Note: Ensure that while replacing the letters, uppercase should be replaced with uppercase letters, and lowercase should be replaced with lowercase letters.

Input

The first line of input is a string.

Explanation

In the given example,

Hello World. If we replace each letter with the letter that comes next in the English alphabet,

H becomes I, e becomes f and so on ... So, the output should be Ifmmp Xpsme.

Sample Input 1

Hello World

Sample Output 1

Ifmmp Xpsme

Sample Input 2

Something is better than Nothing

Sample Output 2

Tpnfuijoh jt cfuufs uibo Opuijoh

Answer 1

def enter_phrase():
    phrase = input('Enter phrase: ')
    return phrase

def capitalize_symbol(phrase):
    k = ""
    for i in phrase:
        if i != ' ':
            if i.istitle():
                next = chr(97 if i == 'z' else ord(i)+1)
                if next in ('a', 'e', 'i', 'o', 'u'):
                    next = next.capitalize()
                k += next.title()
            else:
                next = chr(97 if i == 'z' else ord(i) + 1)
                if next in ('a', 'e', 'i', 'o', 'u'):
                    next = next.capitalize()
                k += next.lower()
        else:
            k += ' '
    return k

def main():
    phrase = enter_phrase()
    print(capitalize_symbol(phrase))

if ​__name__ == '__main__':
   ​main(