Please solve the below questions with Step by Step and proper description

These files contain the ciphertexts that you have to decrypt for the exercises in question, terminated by a newline which does not form part of the ciphertext.

Ques 1 The plaintext comes from below txt and is encoded with a Caesar cipher.

DYHQHYHUUHDOOBDQGWUXOBORYHGBRXDQGLWKLQNLQHYHUFDQVKHDGGHGPRXUQIXOOBSHUKDSVRIDOOWKLQJVDOLHRQWKLVWKLQJZRXOGGRWKHPRVWJRRGWRPHQRZEXWLKDYHKRQRXUHQRXJKOHIWOLWWOHDVWLVQRWWRWHOOWKDWOLHLILGLGORYHBRXLPDBKDYHWKHEHVWRFDXVHVIRUOHWWLQJBRXNQRZLWEXWLGRQWKHHPLWWHGDODERXUHGEUHDWKDVLIWKHVFHQHZHUHJHWWLQJUDWKHURSSUHVVLYHWRKLVKHDUWRUWRKLVFRQVFLHQFHRUWRKLVJHQWLOLWBZHOOBRXDUHDEVXUGOBPHODQFKROBWHVVLKDYHQRUHDVRQIRUIODWWHULQJBRXQRZDQGLFDQVDBSODLQOBWKDWBRXQHHGQRWEHVRVDGBRXFDQKROGBRXURZQIRUEHDXWBDJDLQVWDQBZRPDQRIWKHVHSDUWVJHQWOHRUVLPSOHLVDBLWWRBRXDVDSUDFWLFDOPDQDQGZHOOZLVKHULIBRXDUHZLVHBRXZLOOVKRZLWWRWKHZRUOGPRUHWKDQBRXGREHIRUHLWIDGHVDQGBHWWHVVZLOOBRXFRPHEDFNWRPHXSRQPBVRXOLGRQWOLNHWROHWBRXJROLNHWKLVQHYHUQHYHULPDGHXSPBPLQGDVVRRQDVLVDZZKDWLRXJKWWRKDYHVHHQVRRQHUDQGLZRQWFRPHWKHQJRRGPRUQLQJPBIRXUPRQWKVFRXVLQJRRGEBHKHOHDSWXSOLJKWOBDUUDQJHGWKHUHLQVDQGZDVJRQHEHWZHHQ

Ques 2 The plaintext comes from below txt and is encoded with a Vigenere cipher using the 21-letter key TESSOFTHEDURBERVILLES.

THSVOZZOXHLDBVIDMOELALAWWYYHHK