Syntax's Multitool

!#/usr/bin/python
# Hey, Feel free to scrap, edit, and do whatever you wish to this code
# All I ask is that you give me some credit if you decide to go public.
print("Welcome to Syntax's multitool!\n")
print("1: Cipher")
print("2: Hash")
print("3: Calculator")
select = raw_input("Please make a selection based on the number associated: ")
if select == "1":
    print("1: AES")
    print("2: Blowfish")
    print("3: DES")
    print("4: Base64")
    print("5: CAST")
    select = raw_input("Please make a selection based on the number associated: ")
    if select == "1":
        from Crypto.Cipher import AES
        from Crypto import Random
        key = b'Sixteen byte key'
        iv = Random.new().read(AES.block_size)
        cipher = AES.new(key, AES.MODE_CFB, iv)
        raw_msg = raw_input("Please enter the string you would like to encrypt: ")
        msg = iv + cipher.encrypt(b"'" + raw_msg + "'")
        print("Your output is: " + msg)
    elif select == "2":
        from Crypto.Cipher import Blowfish
        from Crypto import Random
        from struct import pack
        import base64
        bs = Blowfish.block_size
        raw_key = raw_input("Please enter your arbitrarily long encryption key: ")
        key = b"'" + raw_key + "'"
        iv = Random.new().read(bs)
        cipher = Blowfish.new(key, Blowfish.MODE_CBC, iv)
        plaintext = raw_input("Please enter the string you would like to encrypt: ")
        plaintext0 = b"'" + plaintext + "'"
        plen = bs - divmod(len(plaintext),bs)[1]
        padding = [plen]*plen
        padding = pack('b'*plen, *padding)
        msg = iv + cipher.encrypt(plaintext0 + padding)
        encoded = base64.b64encode(msg)
        print("Your output is: " + msg)
        print("Your output encoded with base64 is: " + encoded)
    elif select == "3":
        from Crypto.Cipher import DES
        from Crypto import Random
        from Crypto.Util import Counter
        raw_key = raw_input("Please enter your sixteen byte encryption key: ")
        key = b"'" + raw_key + "'"
        nonce = Random.new().read(DES.block_size/2)
        ctr = Counter.new(DES.block_size*8/2, prefix=nonce)
        cipher = DES.new(key, DES.MODE_CTR, counter=ctr)
        plaintext = raw_input("Please enter the string you would like to encrypt: ")
        plaintext0 = b"'" + plaintext + "'"
        msg = nonce + cipher.encrypt(plaintext0)
        print("Your output is:" + msg)
    elif select == "4":
        import base64
        print("1: Encryption")
        print("2: Decryption")
        select = raw_input("Please make a selection based on the number associated: ")
        if select == "1":
            msg = raw_input("Please enter the string you would like to encrypt: ")
            encode = base64.b64encode(msg)
        elif select == "2":
            msg = raw_input("Please enter the encrypted string you would like to decrypt: ")
            decode = base64.b64decode(msg)
        else:
            print("Please choose a real option...")
    elif select == "5":
        from Crypto.Cipher import CAST
        from Crypto import Random
        import base64
        print("1: Encryption")
        print("2: Decryption")
        select = raw_input("Please enter your selection based on the number associated: ")
        if select == "1":
            key = b'Sixteen byte key'
            iv = Random.new().read(CAST.block_size)
            cipher = CAST.new(key, CAST.MODE_OPENPGP, iv)
            plaintext0 = raw_input("Please enter the string you wish to encrypt: ")
            plaintext1 = b"'" + plaintext0 + "'"
            msg = cipher.encrypt(plaintext1)
            encode = base64.b64encode(msg)
            print("Your output encoded with base64 is: " + encode)
        elif select == "2":
            encoded = raw_input("Please enter your encoded string: ")
            decode = base64.b64decode(encoded)
            key = b'Sixteen byte key'
            iv = Random.new().read(CAST.block_size)
            cipher = CAST.new(key, CAST.MODE_OPENPGP, iv)
            plaintext1 = b"'" + decode + "'"
            msg = cipher.encrypt(plaintext1)
            eiv = msg[:CAST.block_size+2]
            ciphertext = msg[CAST.block_size+2:]
            cipher = CAST.new(key, CAST.MODE_OPENPGP, eiv)
            decrypt = cipher.decrypt(ciphertext)
            print(decrypt)
        else:
            print("Please choose a real option...")
    else:
        print("Please enter a real option...")
elif select == "2":
    print("1: MD4")
    print("2: MD5")
    print("3: SHA")
    print("4: SHA512")
    select = raw_input("Please make your selection based on the number associated: ")
    if select == "1":
        from Crypto.Hash import MD4
        h = MD4.new()
        hash = raw_input("Please enter ther string you would like to hash: ")
        h.update(b"'" + hash + "'")
        print(h.hexdigest())
    elif select == "2":
        from Crypto.Hash import MD5
        h = MD5.new()
        hash = raw_input("Please enter ther string you would like to hash: ")
        h.update(b"'" + hash + "'")
        print(h.hexdigest())
    elif select == "3":
        from Crypto.Hash import SHA
        h = SHA.new()
        hash = raw_input("Please enter ther string you would like to hash: ")
        h.update(b"'" + hash + "'")
        print(h.hexdigest())
    elif select == "4":
        from Crypto.Hash import SHA512
        h = SHA512.new()
        hash = raw_input("Please enter ther string you would like to hash: ")
        h.update(b"'" + hash + "'")
        print(h.hexdigest())
    else:
        print("Please enter a real option...")
elif select == "3":
    def get_float(prompt):
        while True:
            try:
                return float(raw_input(prompt))
            except ValueError, e:
                print "Invalid input"
    print("1: ADDITION")
    print("2: SUBTRACTION")
    print("3: MULTIPLICATION")
    print("4: DIVISION")
    CHOICE = raw_input("Enter the Numbers:")
    if CHOICE == "1":
        a = get_float("Enter the value of a: ")
        b = get_float("Enter the value of b: ")
        c = a + b
        print(c)
    elif CHOICE == "2":
        a = get_float("Enter the value of a: ")
        b = get_float("Enter the value of b: ")
        c = a - b
        print(c)
    elif CHOICE == "3":
        a = get_float("Enter the value of a: ")
        b = get_float("Enter the value of b: ")
        c = a * b
        print(c)
    elif CHOICE == "4":
        a = get_float("Enter the value of a: ")
        b = get_float("Enter the value of b: ")
        c = a / b
        print(c)
    else:
        print "Invalid Number"
        print "\n"
else:
    print("Please enter a real option...")