Cdtjkyj

'a' -> ['a']

'abbbcc' -> ['a', 'bbb', 'cc']

'abcabc' -> ['a', 'b', 'c', 'a', 'b', 'c']

'a' -> ['a']

'abbbcc' -> ['a', 'bbb', 'cc']

'abcabc' -> ['a', 'b', 'c', 'a', 'b', 'c']

'a' -> ['a']

'abbbcc' -> ['a', 'bbb', 'cc']

'abcabc' -> ['a', 'b', 'c', 'a', 'b', 'c']

'a' -> ['a']

'abbbcc' -> ['a', 'bbb', 'cc']

'abcabc' -> ['a', 'b', 'c', 'a', 'b', 'c']

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from itertools import groupby



s = 'abccbba'



print([''.join(v) for _, v in groupby(s)])

# ['a', 'b', 'cc', 'bb', 'a']

from itertools import groupby



s = 'abccbba'



print([''.join(v) for _, v in groupby(s)])

# ['a', 'b', 'cc', 'bb', 'a']

from itertools import groupby



s = 'abccbba'



print([''.join(v) for _, v in groupby(s)])

# ['a', 'b', 'cc', 'bb', 'a']

from itertools import groupby



s = 'abccbba'



print([''.join(v) for _, v in groupby(s)])

# ['a', 'b', 'cc', 'bb', 'a']

add a comment | 

import re

s='aabccdd'

print([m.group(0) for m in re.finditer(r"(w)1*", s)])

#['aa', 'b', 'cc', 'dd']

import re

s='aabccdd'

print([m.group(0) for m in re.finditer(r"(w)1*", s)])

#['aa', 'b', 'cc', 'dd']

import re

s='aabccdd'

print([m.group(0) for m in re.finditer(r"(w)1*", s)])

#['aa', 'b', 'cc', 'dd']

import re

s='aabccdd'

print([m.group(0) for m in re.finditer(r"(w)1*", s)])

#['aa', 'b', 'cc', 'dd']

add a comment | 

l=

str="aabccc"

s=str[0]

for c in str[1:]:



   if(c!=s[-1]):

        l.append(s)

        s=c

   else:

        s=s+c

l.append(s)

print(l)

l=

str="aabccc"

s=str[0]

for c in str[1:]:



   if(c!=s[-1]):

        l.append(s)

        s=c

   else:

        s=s+c

l.append(s)

print(l)

l=

str="aabccc"

s=str[0]

for c in str[1:]:



   if(c!=s[-1]):

        l.append(s)

        s=c

   else:

        s=s+c

l.append(s)

print(l)

l=

str="aabccc"

s=str[0]

for c in str[1:]:



   if(c!=s[-1]):

        l.append(s)

        s=c

   else:

        s=s+c

l.append(s)

print(l)

add a comment | 

from functools import reduce   # in python3

s='aaabccdddddaa'

reduce(lambda x,y:x[:-1]+[x[-1]+y] if len(x)>0 and x[-1][-1]==y else x+[y], s, )

from functools import reduce   # in python3

s='aaabccdddddaa'

reduce(lambda x,y:x[:-1]+[x[-1]+y] if len(x)>0 and x[-1][-1]==y else x+[y], s, )

from functools import reduce   # in python3

s='aaabccdddddaa'

reduce(lambda x,y:x[:-1]+[x[-1]+y] if len(x)>0 and x[-1][-1]==y else x+[y], s, )

from functools import reduce   # in python3

s='aaabccdddddaa'

reduce(lambda x,y:x[:-1]+[x[-1]+y] if len(x)>0 and x[-1][-1]==y else x+[y], s, )

add a comment |