Printing without newline print a prints a space how to remove

Question

I have this code    gt  gt  gt  for i in xrange 20           print  a        a a a a a a a a a a a a a a a a a a a a   I want to output  a   without     like this   aaaaaaaaaaaaaaaaaaaa   Is it possible

User · Accepted Answer

There are a number of ways of achieving your result. If you're just wanting a solution for your case, use string multiplication as @Ant mentions. This is only going to work if each of your print statements prints the same string. Note that it works for multiplication of any length string (e.g. 'foo' * 20 works).

>>> print 'a' * 20
aaaaaaaaaaaaaaaaaaaa

If you want to do this in general, build up a string and then print it once. This will consume a bit of memory for the string, but only make a single call to print. Note that string concatenation using += is now linear in the size of the string you're concatenating so this will be fast.

>>> for i in xrange(20):
...     s += 'a'
... 
>>> print s
aaaaaaaaaaaaaaaaaaaa

Or you can do it more directly using sys.stdout.write(), which print is a wrapper around. This will write only the raw string you give it, without any formatting. Note that no newline is printed even at the end of the 20 as.

>>> import sys
>>> for i in xrange(20):
...     sys.stdout.write('a')
... 
aaaaaaaaaaaaaaaaaaaa>>>

Python 3 changes the print statement into a print() function, which allows you to set an end parameter. You can use it in >=2.6 by importing from __future__. I'd avoid this in any serious 2.x code though, as it will be a little confusing for those who have never used 3.x. However, it should give you a taste of some of the goodness 3.x brings.

>>> from __future__ import print_function
>>> for i in xrange(20):
...     print('a', end='')
... 
aaaaaaaaaaaaaaaaaaaa>>>

User · Answer

Just as a side note    Printing is O 1  but building a string and then printing is O n   where n is the total number of characters in the string  So yes  while building the string is  cleaner   it s not the most efficient method of doing so   The way I would do it is as follows   from sys import stdout printf   stdout write   Now you have a  print function  that prints out any string you give it without returning the new line character each time   printf  Hello    printf  World      The output will be  Hello  World   However  if you want to print integers  floats  or other non-string values  you ll have to convert them to a string with the str   function   printf str 2          str 4     The output will be  2 4

User · Answer

You could print a backspace character    b     for i in xrange 20       print   ba     result   aaaaaaaaaaaaaaaaaaaa

User · Answer

Python 3 x   for i in range 20       print  a   end       Python 2 6 or 2 7   from   future   import print function for i in xrange 20       print  a   end

User · Answer

You can suppress the space by printing an empty string to stdout between the print statements    gt  gt  gt  import sys  gt  gt  gt  for i in range 20         print  a         sys stdout write          aaaaaaaaaaaaaaaaaaaa   However  a cleaner solution is to first build the entire string you d like to print and then output it with a single print statement

User · Answer

without what  do you mean   gt  gt  gt  print  a    20 aaaaaaaaaaaaaaaaaaaa

User · Answer

Either what Ant says  or accumulate into a string  then print once   s       for i in xrange 20       s     a  print s

User · Answer

this is really simple   for python 3  versions you only have to write the following codes  for i in range 20         print  a  end       just convert the loop to the following codes  you don t have to worry about other things

User · Answer

WOW     It s pretty long time ago  Now  In python 3 x it will be pretty easy  code   for i in range 20         print  a  end       here end variable will clarify what you want in                            end of the code   output   aaaaaaaaaaaaaaaaaaaa    More about print   function  print value1 value2 value3 sep  -  end   n  file sys stdout flush False    Here   value1 value2 value3   you can print multiple values using commas  sep    -    3 values will be separated by  -  character   you can use any character instead of that even string like sep     or sep  good   end   n    by default print function put   n  charater at the end of output  but you can use any character or string by changing end variale value  like end     or end     or end  Hello   file sys stdout   this is a default value  system standard output  using this argument you can create a output file stream like  print  I am a Programmer   file open  output txt    w      by this code you will create a file named output txt where your output I am a Programmer will be stored  flush   False   It s a default value  using flush True you can forcibly flush the stream

User · Answer

If you want them to show up one at a time  you can do this   import time import sys for i in range 20       sys stdout write  a       sys stdout flush       time sleep 0 5    sys stdout flush   is necessary to force the character to be written each time the loop is run

User · Answer

as simple as that    def printSleeping         sleep    I m sleeping       v           for i in sleep           v    i          system  cls            print v          time sleep 0 02

User · Answer

From PEP 3105  print As a Function in the What   s New in Python 2 6 document    gt  gt  gt  from   future   import print function  gt  gt  gt  print  a   end       Obviously that only works with python 3 0 or higher  or 2 6  with a from   future   import print function at the beginning   The print statement was  removed and became the print   function by default in Python 3 0

[python] Printing without newline (print 'a',) prints a space, how to remove?

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