How do I keep Python print from adding newlines or spaces

Question

In python  if I say  print  h    I get the letter h and a newline   If I say   print  h     I get the letter h and no newline   If I say  print  h   print  m     I get the letter h  a space  and the letter m   How can I prevent Python from printing the space   The print statements are different iterations of the same loop so I can t just use the   operator

User · Answer

Or use a    i e     gt  gt  gt  print  me   no   likee   spacees   pls  menolikeespaceespls   Just make sure all are concatenate-able objects

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Python 2 5 2  r252 60911  Sep 27 2008  07 03 14   GCC 4 3 1  on linux2 Type  help    copyright    credits  or  license  for more information   gt  gt  gt  import sys  gt  gt  gt  print  hello    print  there  hello there  gt  gt  gt  print  hello    sys stdout softspace False  print  there  hellothere   But really  you should use sys stdout write directly

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In python 2 6    gt  gt  gt  print  h   m   h  h m h  gt  gt  gt  from   future   import print function  gt  gt  gt  print  h  end     h gt  gt  gt  print  h  end     print  m  end     print  h  end     hmh gt  gt  gt   gt  gt  gt  print  h   m   h  sep      hmh  gt  gt  gt    So using print function from   future   you can set explicitly the sep and end parameteres of print function

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Python 2 5 2  r252 60911  Sep 27 2008  07 03 14   GCC 4 3 1  on linux2 Type  help    copyright    credits  or  license  for more information   gt  gt  gt  import sys  gt  gt  gt  print  hello    print  there  hello there  gt  gt  gt  print  hello    sys stdout softspace False  print  there  hellothere   But really  you should use sys stdout write directly

User · Answer

In Python 3  use  print  h   end       to suppress the endline terminator  and  print  a    b    c   sep       to suppress the whitespace separator between items  See the documentation for print

User · Answer

Greg is right-- you can use sys stdout write  Perhaps  though  you should consider refactoring your algorithm to accumulate a list of  lt whatevers gt  and then  lst     h    m   print     join lst

User · Answer

print   0  1  2   format a  b  c

User · Answer

Or use a    i e     gt  gt  gt  print  me   no   likee   spacees   pls  menolikeespaceespls   Just make sure all are concatenate-able objects

User · Answer

Or use a    i e     gt  gt  gt  print  me   no   likee   spacees   pls  menolikeespaceespls   Just make sure all are concatenate-able objects

User · Answer

You can use print like the printf function in C   e g   print   s s     x  y

User · Answer

I am not adding a new answer  I am just putting the best marked answer in a better format  I can see that the best answer by rating is using sys stdout write someString   You can try this out       import sys     Print   sys stdout write     Print  Hello       Print  World     will yield   HelloWorld   That is all

User · Answer

import sys  sys stdout write  h   sys stdout flush    sys stdout write  m   sys stdout flush     You need to call sys stdout flush   because otherwise it will hold the text in a buffer and you won t see it

User · Answer

I am not adding a new answer  I am just putting the best marked answer in a better format  I can see that the best answer by rating is using sys stdout write someString   You can try this out       import sys     Print   sys stdout write     Print  Hello       Print  World     will yield   HelloWorld   That is all

User · Answer

Greg is right-- you can use sys stdout write  Perhaps  though  you should consider refactoring your algorithm to accumulate a list of  lt whatevers gt  and then  lst     h    m   print     join lst

User · Answer

For completeness  one other way is to clear the softspace value after performing the write   import sys print  hello   sys stdout softspace 0 print  world   print       prints helloworld    Using stdout write   is probably more convenient for most cases though

User · Answer

In python 2 6    gt  gt  gt  print  h   m   h  h m h  gt  gt  gt  from   future   import print function  gt  gt  gt  print  h  end     h gt  gt  gt  print  h  end     print  m  end     print  h  end     hmh gt  gt  gt   gt  gt  gt  print  h   m   h  sep      hmh  gt  gt  gt    So using print function from   future   you can set explicitly the sep and end parameteres of print function

User · Answer

Greg is right-- you can use sys stdout write  Perhaps  though  you should consider refactoring your algorithm to accumulate a list of  lt whatevers gt  and then  lst     h    m   print     join lst

User · Answer

print    first line   second line       it will produce      first line second line

User · Answer

print   0  1  2   format a  b  c

User · Answer

import sys  sys stdout write  h   sys stdout flush    sys stdout write  m   sys stdout flush     You need to call sys stdout flush   because otherwise it will hold the text in a buffer and you won t see it

User · Answer

Regain control of your console  Simply   from   past   import printf   where   past   py contains   import sys def printf fmt   varargs       sys stdout write fmt   varargs    then    gt  gt  gt  printf  Hello  world  n   Hello  world   gt  gt  gt  printf   d  d  d n   0  1  42  0 1 42  gt  gt  gt  printf  a    printf  b    printf  c    printf   n   abc  gt  gt  gt    Bonus extra  If you don t like print  gt  gt  f       you can extending this caper to fprintf f

User · Answer

import sys  sys stdout write  h   sys stdout flush    sys stdout write  m   sys stdout flush     You need to call sys stdout flush   because otherwise it will hold the text in a buffer and you won t see it

User · Answer

print    first line   second line       it will produce      first line second line

User · Answer

sys stdout write is  in Python 2  the only robust solution  Python 2 printing is insane  Consider this code   print  a   print  b     This will print a b  leading you to suspect that it is printing a trailing space  But this is not correct  Try this instead   print  a   sys stdout write  0   print  b     This will print a0b  How do you explain that  Where have the spaces gone   I still can t quite make out what s really going on here  Could somebody look over my best guess   My attempt at deducing the rules when you have a trailing   on your print   First  let s assume that print       in Python 2  doesn t print any whitespace  spaces nor newlines    Python 2 does  however  pay attention to how you are printing - are you using print  or sys stdout write  or something else  If you make two consecutive calls to print  then Python will insist on putting in a space in between the two

User · Answer

Regain control of your console  Simply   from   past   import printf   where   past   py contains   import sys def printf fmt   varargs       sys stdout write fmt   varargs    then    gt  gt  gt  printf  Hello  world  n   Hello  world   gt  gt  gt  printf   d  d  d n   0  1  42  0 1 42  gt  gt  gt  printf  a    printf  b    printf  c    printf   n   abc  gt  gt  gt    Bonus extra  If you don t like print  gt  gt  f       you can extending this caper to fprintf f

User · Answer

Python 2 5 2  r252 60911  Sep 27 2008  07 03 14   GCC 4 3 1  on linux2 Type  help    copyright    credits  or  license  for more information   gt  gt  gt  import sys  gt  gt  gt  print  hello    print  there  hello there  gt  gt  gt  print  hello    sys stdout softspace False  print  there  hellothere   But really  you should use sys stdout write directly

User · Answer

For completeness  one other way is to clear the softspace value after performing the write   import sys print  hello   sys stdout softspace 0 print  world   print       prints helloworld    Using stdout write   is probably more convenient for most cases though

User · Answer

import sys a raw input   for i in range 0 len a           sys stdout write a i

User · Answer

sys stdout write is  in Python 2  the only robust solution  Python 2 printing is insane  Consider this code   print  a   print  b     This will print a b  leading you to suspect that it is printing a trailing space  But this is not correct  Try this instead   print  a   sys stdout write  0   print  b     This will print a0b  How do you explain that  Where have the spaces gone   I still can t quite make out what s really going on here  Could somebody look over my best guess   My attempt at deducing the rules when you have a trailing   on your print   First  let s assume that print       in Python 2  doesn t print any whitespace  spaces nor newlines    Python 2 does  however  pay attention to how you are printing - are you using print  or sys stdout write  or something else  If you make two consecutive calls to print  then Python will insist on putting in a space in between the two

User · Answer

import sys a raw input   for i in range 0 len a           sys stdout write a i

User · Answer

In Python 3  use  print  h   end       to suppress the endline terminator  and  print  a    b    c   sep       to suppress the whitespace separator between items  See the documentation for print

User · Answer

You can use print like the printf function in C   e g   print   s s     x  y

User · Answer

For completeness  one other way is to clear the softspace value after performing the write   import sys print  hello   sys stdout softspace 0 print  world   print       prints helloworld    Using stdout write   is probably more convenient for most cases though

User · Answer

Greg is right-- you can use sys stdout write  Perhaps  though  you should consider refactoring your algorithm to accumulate a list of  lt whatevers gt  and then  lst     h    m   print     join lst

User · Answer

import sys  sys stdout write  h   sys stdout flush    sys stdout write  m   sys stdout flush     You need to call sys stdout flush   because otherwise it will hold the text in a buffer and you won t see it

User · Answer

Python 2 5 2  r252 60911  Sep 27 2008  07 03 14   GCC 4 3 1  on linux2 Type  help    copyright    credits  or  license  for more information   gt  gt  gt  import sys  gt  gt  gt  print  hello    print  there  hello there  gt  gt  gt  print  hello    sys stdout softspace False  print  there  hellothere   But really  you should use sys stdout write directly

User · Answer

This may look stupid  but seems to be the simplest       print  h       print   bm

User · Answer

In Python 3  use  print  h   end       to suppress the endline terminator  and  print  a    b    c   sep       to suppress the whitespace separator between items  See the documentation for print

User · Answer

In Python 3  use  print  h   end       to suppress the endline terminator  and  print  a    b    c   sep       to suppress the whitespace separator between items  See the documentation for print

User · Answer

Or use a    i e     gt  gt  gt  print  me   no   likee   spacees   pls  menolikeespaceespls   Just make sure all are concatenate-able objects

User · Answer

For completeness  one other way is to clear the softspace value after performing the write   import sys print  hello   sys stdout softspace 0 print  world   print       prints helloworld    Using stdout write   is probably more convenient for most cases though

User · Answer

This may look stupid  but seems to be the simplest       print  h       print   bm

[python] How do I keep Python print from adding newlines or spaces?

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