Learn String Manipulation by Building a Cipher - Step 43

Python
1

Tell us what’s happening:

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Your code so far


# User Editable Region

text = 'Hello World'
shift = 3
alphabet = 'abcdefghijklmnopqrstuvwxyz'
encrypted_text = ''

for char in text.lower():
    if char == ' ':
    index = alphabet.find(char)
    new_index = index + shift
    encrypted_text += alphabet[new_index], char
    print('char:', char, 'encrypted text:', encrypted_text)


# User Editable Region

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Challenge Information:

Learn String Manipulation by Building a Cipher - Step 43

2

You appear to have created this post without editing the template. Please edit your post to Tell us what’s happening in your own words.

3

invalid code, why have you added , char to this line? what is it that you want to do?

4

the instruction is Now, instead of printing 'space!' , use the addition assignment operator to add the space (currently stored in char ) to the current value of encrypted_text .

text = 'Hello World'
shift = 3
alphabet = 'abcdefghijklmnopqrstuvwxyz'
encrypted_text = ''

for char in text.lower():
    if char == ' ':
    index = alphabet.find(char)
    new_index = index + shift
    encrypted_text += alphabet[new_index]
        print('char:', char, 'encrypted text:', encrypted_text)
5

he instruction is Now, instead of printing 'space!' , use the addition assignment operator to add the space (currently stored in char ) to the current value of encrypted_text .

text = ‘Hello World’
shift = 3
alphabet = ‘abcdefghijklmnopqrstuvwxyz’
encrypted_text = ‘’

for char in text.lower():
if char == ’ ':
index = alphabet.find(char)
new_index = index + shift
encrypted_text += alphabet[new_index]
print(‘char:’, char, ‘encrypted text:’, encrypted_text)

6

you have an if statement but nothing inside it, you want to add char to encrypted_text here

7

You should use the += operator to add char to the current value of encrypted_text inside your new if statement.

I tried. I don’t know what is wrong. Honestly this is my first day here. Prior I finished just Mimo app in a week so I have zero qualification so far I’m just interested

8

Hello!

It’s actually very simple:

  • Reset the exercise
  • Remove the print function
  • Take encrypted_text and add encrypted_text + char (solve this using the addition assignment +=)

As always in Python use the right indention.

9

If you are new to coding here is a hint:

An addition assignment like += shortens your code, so you don’t have write one item twice.

So a += b instead of a = a + b.

1 Like
10

thank you! yes I’m very new. I memorized these, however the correct indention is the one always gets me. I will try tomorrow thank you again.

11

Now, instead of printing 'space!' , use the addition assignment operator to add the space (currently stored in char ) to the current value of encrypted_text .

for char in text.lower():
if char += encrypted_text:
index = alphabet.find(char)
new_index = index + shift
encrypted_text += alphabet[new_index]
print(‘char:’, char, ‘encrypted text:’, encrypted_text)

please help stuck on this one

12

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Thank you.

13

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