You are invited to participate in an encryption algorithm competition. Encryption is a method to change the formation of the message using pre-defined rules. After encryption, the message becomes secure and illegible. Develop a program that takes user input as a string sentence and prints its encryption version using the following rules:

Encryption_Algorithm.py

'''
You are invited to participate in an encryption algorithm competition.  Encryption is a method to change the formation of the message using pre-defined rules.  After encryption, the message becomes secure and illegible.
Develop a program that takes user input as a string sentence and prints its encryption version using the following rules:
  1. You must include your ID, name and section number as sample input.
  2. The program should also include your ID as a prefix to all input sentences.
  3. Each word should be encrypted separately.
  4. If a word starts with consonant letter, then that word should be shifted two places in circular way. For example, “trend” become “ndtre”, “brown” become “wnbro”, etc.
  5. Also, aftershifting, do append “ay” at the end of the word. So, a word “trend” become “ndtreay”.
  6. If a word starts with a vowel letter, then it should be encrypted by simply appending "way". For example, “end” becomes “endway”.
  7. The letter 'y' is a treated as a consonant if it appears as the first letter of a word (yard ->rdyaay).
  8. As a vowel if it appears at an interior location (at mid or somewhere) take consonants before the first vowel shift to end. Eg: crybaby-> abycrybay
  9. Also, "sch" at the beginning should become "sk" at the end. Eg: schooner -> oonerskay
  10. Capitalized words should be capitalized after transformation. Eg: Sam -> Amsay A sample input is: “Brown fox jumps a yard.” after encryption “22k-1234 Wnbroay oxfay psjumay away rdyaay.”
'''

str_name = input("Enter String: ")
u_id = 2
# str_name = 'trend'
sec_num = 10
in_str = str(u_id) + str_name + str(sec_num)
res_str = ''
user_id = ''
act_str = ''
res_str_list = []
sch_flag = False
y_flag = False
sch_flag = False
for i in in_str:
    if i.isalpha():
        act_str += i
act_str = act_str.strip()
alpha_num_str = in_str.split(act_str)
if len(alpha_num_str)>1:
    sec_str = alpha_num_str[1]
    user_id = alpha_num_str[0]
elif len(alpha_num_str)==1:
    user_id = alpha_num_str[0]
    sec_str = None
else:
    user_id = None

actual_list = list(act_str)
act_list = list(act_str.lower())

if list('sch') == act_list[:3]:
    sch_flag = True


vowel_list = ['a', 'i', 'o', 'e', 'u']

# if first aplhabet is vowel
if act_list[0].lower() in vowel_list:
    res_str_list = act_list[:]
    res_str_list.extend(['w', 'a', 'y'])


# if first alphabet is constant
if act_list[0].lower() not in vowel_list:
    if sch_flag:
        act_list = act_list[3:]
    res_str_list = act_list[:]
    for i in range(len(act_list)):
        if i>0:
            if 'y' in act_list[i:]:
                y_flag = True    
            else:
                y_flag = False
        if y_flag:
            if act_list[i].lower() in vowel_list:
                res_str_list = act_list[i:]
                res_str_list.extend(act_list[:i])
            else:
                pass
        else:
            index_i  = (i+2) - len(act_list)
            res_str_list.remove(act_list[i])
            res_str_list.insert(index_i, act_list[i].lower())
    if sch_flag:
        res_str_list.extend(['s','k'])
    res_str_list.extend(['a', 'y'])


res_str = user_id + '-' + str(sec_num) + ' ' + ''.join(res_str_list)
print(f"Input String: {in_str}")
print(f"Output: {res_str}")