Not able to join a string properly in python

Question

I am not able to join a string properly.

Here is the code:

def mub(s):
 count = 1
 for i in range(len(s)):
     words = s[i] * count 
     list_of = list(words)
     print('-'.join(list_of),end='')
     count+=1
mub('Abcd')

it gives me this as output : ab-bc-c-cd-d-d-d

but my desired output is this: a-bb-ccc-dddd

I think the mistake is after for loop.

Andrej Kesely · Accepted Answer · 2020-10-08 13:43:47Z

1

One solution is to keep list of string you want to join with -. For example:

def mub(s):
 count = 1
 to_join = []
 for i in range(len(s)):
     to_join.append(s[i] * count)
     count+=1
 print('-'.join(to_join))

mub('abcd')

Prints:

a-bb-ccc-dddd

answered Oct 8, 2020 at 13:43

Andrej Kesely

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