Split string into strings by length

Question

Is there a way to take a string that is 4 x characters long  and cut it into 4 strings  each x characters long  without knowing the length of the string   For example    gt  gt  gt x    qwertyui   gt  gt  gt split x  one  two  three  four   gt  gt  gt two  er

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My solution     st    abs de fdgh  1234 556 shg shshh     print st     def splitStringMax  si  limit       ls   si split       lo        st        ln len ls      if ln  1          return  si      i 0     for l in ls          st  l         i  1         if i  lt ln              lk len ls i               if  len st   1 lk  lt  limit                  st                      continue         lo append st  st        return lo                                      print  splitStringMax st 7         abs de    fdgh    1234    556    shg    shshh       print  splitStringMax st 12          abs de fdgh    1234 556    shg shshh

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some string  ABCDEFGHIJKLMNOPQRSTUVWXYZ  x 3  res  some string y-x y  for y in range x  len some string  x x   print res    will produce     ABC    DEF    GHI    JKL    MNO    PQR    STU    VWX    YZ

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I tried Alexanders answer but got this error in Python3      TypeError   float  object cannot be interpreted as an integer   This is because the division operator in Python3 is returning a float  This works for me    gt  gt  gt  x    qwertyui   gt  gt  gt  chunks  chunk size   len x   len x   4  gt  gt  gt    x i i chunk size  for i in range 0  chunks  chunk size      qw    er    ty    ui     Notice the    at the end of line 2  to ensure truncation to an integer

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Got an re trick   In  28   import re  In  29   x    qwertyui   In  30    x for x in re split r   w 2     x  if x  Out 30     qw    er    ty    ui     Then be a func  it might looks like   def split string  split len         Regex   r   1    for example works for all characters     regex   r     s      split len     return  x for x in re split regex  string  if x

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l    abcdefghijklmn   def group l n       tmp   len l  n     zipped   zip   iter l   n      return zipped if tmp    0 else zipped  tuple l -tmp      print group l 3

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Here is a one-liner that doesn t need to know the length of the string beforehand   from functools import partial from StringIO import StringIO   l for l in iter partial StringIO data  read  4          If you have a file or socket  then you don t need the StringIO wrapper    l for l in iter partial file like object read  4

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Here are two generic approaches  Probably worth adding to your own lib of reusables  First one requires the item to be sliceable and second one works with any iterables  but requires their constructor to accept iterable    def split bylen item  maxlen               Requires item to be sliceable  with   getitem   defined              return  item ind ind maxlen  for ind in range 0  len item   maxlen        You could also replace outer     brackets with     to use as generator   def split bylen any item  maxlen  constructor None               Works with any iterables      Requires item s constructor to accept iterable or alternatively      constructor argument could be provided  otherwise use item s class              if constructor is None  constructor   item   class       return  constructor part  for part in zip     iter item     maxlen         OR  return map constructor  zip     iter item     maxlen             which would be faster if you need an iterable  not list   So  in topicstarter s case  the usage is   string    Baboons love bananas  parts   5 splitlen   - -len string     parts    is alternative to math ceil len parts   first method   split bylen string  splitlen   Result    Babo    ons     love     ban    anas    second method   split bylen any string  splitlen  constructor    join   Result    Babo    ons     love     ban    anas

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length   4 string    abcdefgh  str dict     o for o in string   parts        join  str dict   j   length        j   1     length         for j in xrange len string  length

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In Split string every nth character    quot the wolf quot  gives the most concise answer   gt  gt  gt  import re  gt  gt  gt  re findall       1234567890     12    34    56    78    90

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spliting a string by the length of the string  def len split string sub string       n sub str1 list string  len sub string      0  -      for i in range sub len n    len n -1   sub  sub 1           n insert i str1         n    join n      n n split str1      return n  x  divyansh looking for intership actively contact Me here  sub  four  print len split x sub      Result- gt    divy    ansh    tiwa    ri l    ooki    ng f    or i    nter    ship     con    tact     Me     here

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def split2len s  n       def  f s  n           while s              yield s  n              s   s n       return list  f s  n

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The string splitting is required in many cases like where you have to sort the characters of the string given  replacing a character with an another character etc  But all these operations can be performed with the following mentioned string splitting methods   The string splitting can be done in two ways    Slicing the given string based on the length of split  Converting the given string to a list with list str  function  where characters of the string breakdown to form the the elements of a list  Then do the required operation and join them with  specified character between the characters of the original string  join list  to get a new processed string

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gt  gt  gt  x    qwertyui   gt  gt  gt  chunks  chunk size   len x   len x  4  gt  gt  gt    x i i chunk size  for i in range 0  chunks  chunk size      qw    er    ty    ui

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And for dudes who prefer it to be a bit more readable   def itersplit into x chunks string x 10     we assume here that x is an int and  gt  0     size   len string      chunksize   size  x     for pos in range 0  size  chunksize           yield string pos pos chunksize    output    gt  gt  gt  list itersplit into x chunks  qwertyui  x 4     qw    er    ty    ui

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param s  str  source string     param w  int  width to split on      Using the textwrap module       PyDocs-textwrap   import textwrap def wrap s  w       return textwrap fill s  w     return str      Inspired by Alexander s Answer      PyDocs-data structures   def wrap s  w       return  s i i   w  for i in range 0  len s   w       return list       Inspired by Eric s answer      PyDocs-regex   import re def wrap s  w           sre   re compile rf      w           return  x for x in re split sre  s  if x      return list    Complete Code Examples Alternative Methods

[python] Split string into strings by length?

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