Learn String Manipulation by Building a Cipher - Step 16

Python
1

Tell us what’s happening:

Hi! I really don’t get the description of this one. I find my self trying in every single way, searched on the internet and even used ChatGPT without breakthrough. ChatGPT technically solved it, but not on this tasks terms.

I have tried

shifted=index+shift
shifted = alphabet[(index + shift)

and even

shifted_index = (index + shift)

but nothing seems to be working. I understand that the answer is supposed to be 10. But can someone please elaborate the question more detailed or just give me an example of a different code at least so that I might understand?

Your code so far


/* User Editable Region */

text = 'Hello World'
shift = 3
alphabet = 'abcdefghijklmnopqrstuvwxyz'
index = alphabet.find(text[0].lower())
print(index)

shifted = (index+shift)

/* User Editable Region */

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Challenge Information:

Learn String Manipulation by Building a Cipher - Step 16

2

Hi there and welcome to our community!

Declare a variable named shifted and assign it the alphabet letter at index plus shift .

You’re not too far off with this try:

However, this is syntactically incorrect as you only have one square bracket. Also, the parentheses are not required here.

2 Likes
3

Thanks! But what are the difference between using and () or none of them? Cause a bit further in on a different task it did not want but rather none.

4

The different types of brackets in Python generally serve different, distinct purposes:

alphabet = 'abcdefghijklmnopqrstuvwxyz'
print(alphabet[0])
# prints 'a'

The square brackets above are used to access a particular index of the alphabet string.
The parentheses above are used to call the print method. The contents of the parentheses are the arguments/parameters sent to the method, which determine the output.

There are other uses for parentheses, square brackets (and also curly brackets), but you’ll pick them up as you go along.

5

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