####################################################STRING FUNCTIONS
#zad 16
message = input("Podaj wiadomosc: ")
key = int(input("ile znaków chcesz zamienić(1-26) "))

secret_message = ""
for char in message:
    if char.isalpha():
        char_code = ord(char)
        char_code += key
        if char.isupper():
            if char_code > ord('Z'):
                char_code -= 26
            if char_code < ord('A'):
                char_code += 26
        else:
            if char_code > ord('z'):
                char_code -= 26
            if char_code < ord('a'):
                char_code += 26
        secret_message += chr(char_code)
    else:
        secret_message += char
print("Encrypted : ", secret_message)
key = -key
orig_message = ""

for char in secret_message:
    if char.isalpha():
        char_code = ord(char)
        char_code += key
        if char.isupper():
            if char_code > ord('Z'):
                char_code -= 26
            if char_code < ord('A'):
                char_code += 26
        else:
            if char_code > ord ('z'):
                char_code -= 26
            if char_code < ord('a'):
                char_code += 26
        orig_message += chr(char_code)
    else:
        orig_message += char
print("Decrypted : ", orig_message)

#zad 15

# new_string = input("Podaj stringa: ")
# new_string = new_string.upper()
# a_list = new_string.split()
# for word in a_list:
#     print(word[0], end="")
# print()

####################################################EXCEPTIONS & STRINGS
#zad 14
# norm_string = (input("Podaj słowo do zaszyfrowania "))
#
# secret_string = ""
#
# for char in norm_string:
#     secret_string += str(ord(char) - 23)
# print("Sekretna wiadomosc: ", secret_string)
# norm_string = ""
# for i in range(0, len(secret_string)-1, 2):
#     char_code = secret_string[i] + secret_string[i+1]
#     norm_string += chr(int(char_code)+23)
# print("oryginalna wiadomosc: ", norm_string)

#zad 13
# import random
#
# rand_num = random.randrange(10)
# i = 1
#
# while (i != rand_num):
#     i += 1
# while True:
#     try:
#         number = int(input("Zgadnij liczbe od 1 do 10: "))
#
#         if number == rand_num:
#             print("Zgadłes")
#             break
#     except ValueError:
#           print("Nie podales liczby")

#zad 12

# while True:
#     try:
#         number = int(input("Prosze podaj liczbe: "))
#         break
#     except ValueError:
#         print("Nie podales liczby")
#
#     except:
#         print("Wystapil nieznany blad")
#
# print("Dziekuje za podanie liczny, która wynosi: ", number)



##################################################### LOOPS

#Zad 11

# tree_height = input ("How tall is the tree ")
# tree_height = int(tree_height)
# spaces = tree_height - 1
# hashes = 1
# stump_spaces = tree_height -1
# while tree_height != 0:
#     for i in range(spaces):
#         print(' ', end="")
#     for i in range(hashes):
#         print('#', end="")
#     print()
#     spaces -= 1
#     hashes += 2
#     tree_height -= 1
# for i in range(stump_spaces):
#     print(' ', end="")
# print('#')


#zad 10
# i = 1
#
# while i <= 20:
#     if (i % 2) == 0:
#         i += 1
#         continue
#     if i == 15:
#         break
#
#     print("Odd : ", i)
#     i += 1


# #zad 9
# import random
# rand_num = random.randrange(100)
# i = 1
#
# while (i !=rand_num):
#     i += 1
#
# print("Losowa wartosc to: ", rand_num)

#zad 8
# money = input('Ile inwestujesz: ')
# rate = input('Oprocenotwanie ')
#
# money = float(money)
# rate = float(rate) *.01
#
# for i in range(10):
#     money = money + (money * rate)
# print("Zarobek po 10 latach : {:.2f}".format(money))

#zad 7
# your_float = input("podja liczbe zmiennoprzeczinkowa: ")
# your_float = float(your_float)
# print("Zaokraglij do 2 liczb po przecinku : {:.2f}".format(your_float))

#Zad 6
# for i in range(1, 21):
#
#     if((i % 2) !=0):
#         print("i = ", i)


##################################################### LOOPS


#zad 5

# age = eval(input('Podaj wiek '))
#
# if age < 5:
#     print('u r too young for school')
# elif (age == 5):
#     print("Go to kindergarten")
# elif (age > 5) and (age <= 17):
#     grade = age - 5
#     print('Go to {} grade'.format(grade))
# else:
#     print("Go to collage")

#zad 4
#
# age = eval(input('Podaj wiek '))
#
# if (age>= 1 and age <= 18):
#     print("Important Birthday1")
# elif (age == 21) or (age == 50):
#     print('Important birthday2')
# elif not(age<65):
#     print("Important Birthdays3")
# else:
#     print("Sorry not important")

 #zad3
# num1, operator, num2 = input('Podaj rownanie ').split()
#
# num1 = int(num1)
# num2 = int(num2)
#
# if operator == "+":
#     print("{} + {} = {}".format(num1,num2, num1 + num2))
# elif operator == "-":
#     print("{} - {} = {}".format(num1, num2, num1 - num2))
# elif operator == "*":
#     print("{} * {} = {}".format(num1, num2, num1 * num2))
# elif operator == "/":
#     print("{} / {} = {}".format(num1, num2, num1 / num2))
# else:
#     print("błędny format podaj +, -, * lub /")

# zad 2
# miles = input('Podaj ilesc mil ')
# miles = int(miles)
# km = miles * 1.60934
# print("{} miles equals {} kilometers".format(miles,km))

# zad1
#
# num1, num2 = input('Podaj 2 wartosci ').split()
#
# num1 = int(num1)
# num2 = int(num2)
#
# sum = num1 + num2
#
# diff = num1 - num2
#
# prod = num1 * num2
#
# quot = num1 / num2
#
# remain = num1 % num2
#
# print("{} + {} = {}".format(num1,num2,sum))
# print("{} - {} = {}".format(num1,num2,diff))
# print("{} * {} = {}".format(num1,num2,prod))
# print("{} / {} = {}".format(num1,num2,quot))
# print("{} % {} = {}".format(num1,num2,remain))