Introducing Unpredictable Characters Amidst Characters in a String (Python)

Question

Introducing Unpredictable Characters Amidst Characters in a String (Python)

I'm attempting to insert a series of random letters after each letter within a specified range, but the randomness is not consistent.

def add_random_letters(original_string,num):
    new_word = ''
    for char in original_string:
        random_letter = random.choice(string.ascii_letters) * num
        new_word += char
        new_word += random_letter
    return new_word

original_text = 'Hello!'
for number in range(1,5):
    #shuffle the word with 'num' additional characters
    scrambled_text = add_random_letters(original_text,number)
    #result displayed
    print("Adding",number,'random characters to',original_text,'-',scrambled_text)

In some cases, the results display the same letter repeated multiple times like "HAAAAeiiiilzzzzlBBBBoSSSS!jjjj". This should not be the case, as they should be truly random.

python python-3.x

Answer 1

Answer №1

It appears that using *sum in your code only generates the same randomLetter once and then repeats that letter for sum times. This results in the repetition of the same letter.
To avoid this, consider using a loop or list-comprehension to generate multiple instances of randomLetter.

Here is the updated code:

import random
import string

def add_letters(org,num):
    new_word = ''
    
    for i in org:
        randomLetter = "".join(random.choice(string.ascii_letters) for _ in range(num))
        new_word += i
        new_word += randomLetter
        
    return new_word

original = 'Hello!'

for num in range(1,5):
    scrambled = add_letters(original,num)
    print("Adding",num,'random characters to',original,'->',scrambled)

Result:

Adding 1 random characters to Hello! -> HNemldlgos!z
Adding 2 random characters to Hello! -> HVTeGYlYLlxdonV!GM
Adding 3 random characters to Hello! -> HqjbeQyOlgfHlAwqoyCj!PRq
Adding 4 random characters to Hello! -> HyFoLeyHUzlExGelVLlAoOhyz!EuzW

Answer 2

It appears that using *sum in your code only generates the same randomLetter once and then repeats that letter for sum times. This results in the repetition of the same letter.
To avoid this, consider using a loop or list-comprehension to generate multiple instances of randomLetter.

Here is the updated code:

import random
import string

def add_letters(org,num):
    new_word = ''
    
    for i in org:
        randomLetter = "".join(random.choice(string.ascii_letters) for _ in range(num))
        new_word += i
        new_word += randomLetter
        
    return new_word

original = 'Hello!'

for num in range(1,5):
    scrambled = add_letters(original,num)
    print("Adding",num,'random characters to',original,'->',scrambled)

Result:

Adding 1 random characters to Hello! -> HNemldlgos!z
Adding 2 random characters to Hello! -> HVTeGYlYLlxdonV!GM
Adding 3 random characters to Hello! -> HqjbeQyOlgfHlAwqoyCj!PRq
Adding 4 random characters to Hello! -> HyFoLeyHUzlExGelVLlAoOhyz!EuzW

Introducing Unpredictable Characters Amidst Characters in a String (Python)

Answer №1

Here is the updated code:

Result:

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