Ideone.com

download

copy

a=input()
s=1
b=''
for i in range(1, len(a)):
    if a[i]==a[i-1]:
        s+=1
    else:
        b=b+'{}{}'.format(s,a[i])
 
print(b)

Success #stdin #stdout 0.02s 27672KB

stdin

copy

aaaddffffgkkooo

stdout

copy

3d4f7g7k8o

https://ideone.com/80WhQ6

language:

Python 3 (python 3.9.5)

created:

visibility:

public

Share or Embed source code

The brand new service which powers Ideone!

Widget for compiling and running the source code in a web browser!