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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchPass a string with the end keyword argument to choose what Python writes after a print() call. For example, print('Hello', end='!') writes Hello!; print('Hello', end='') writes Hello without adding a newline. If you omit end, Python uses 'n' and moves to a new line. The Python built-in functions reference documents the behavior.
What does the end parameter do?
print() writes its objects, separated by sep, and then writes the string specified by end. Its documented signature is print(*objects, sep=' ', end='n', file=None, flush=False). The sep, end, file, and flush arguments must be supplied by keyword when you provide them.
Use end to control what follows the complete output of one call. Use sep to control what goes between multiple objects in that same call:
print('red', 'blue', sep=' / ')writesred / blue, followed by the default newline.print('red', 'blue', end='!')writesred blue!; the space between the objects is still the defaultsep.
The two parameters solve different formatting problems; changing end does not change the separator between objects. See the built-in functions reference for their definitions.
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How to choose a line ending
| Desired result | Argument | Example |
|---|---|---|
| Start the next output on a new line | Omit end, or use end='n' |
print('Hello') |
| Continue on the same line with a space | end=' ' |
print('Hello', end=' ') |
| Continue on the same line with no added characters | end='' |
print('Hello', end='') |
| Append a custom string | Set end to that string |
print('Loading', end='...') |
The value of end is written after all objects in that call. A later print() call can therefore continue on the same line, add its own ending, or use the default newline.
Examples you can run
Print consecutive values on one line
Set end=' ' on each call that should leave a visible space after its output. The Python tutorial uses this pattern to print successive values on one line and then finish the row with another print() call.
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for number in range(1, 4):
print(number, end=' ')
print('done')Output:
1 2 3 doneJoin separate messages without a separator
print('No newline', end='')
print(' — continued on the same line')Output:
No newline — continued on the same lineUse a custom ending
print('Loading', end='...')
print('done')Output:
Loading...doneBecause the first call ends with three periods rather than a newline, done appears immediately after them.
Write only the ending
With no objects, print() writes the ending string alone. For example, print(end='—') writes one em dash. The Python reference states: “If no objects are given, print() will just write end.”
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Rules for the end value
- Pass it by keyword: write
end=' ', not as a positional argument. Positional values after the objects are additional objects to print, not a way to setend. - Use a string or
None: the reference specifies thatsepandendmust be strings orNone.Noneselects the default ending, a newline. - Remember that empty means no added ending:
end=''is an empty string, not a request for a blank line. - Distinguish the written string from file newline conversion:
enddetermines the string passed to the output stream. A text file object’s newline settings can translate newline characters while writing; that behavior belongs to the stream, not toprint()‘s choice ofend.
By default, print() writes to sys.stdout. You can direct output to a file-like object with file=; it must provide a write(string) method. For a binary-mode file, the reference says to use file.write() instead. These details are in the Python built-in functions reference.
Troubleshooting
The next output appears on the same line
Check whether the earlier call used end='', a space, or another string without a newline. Add end='n' to that call or make a subsequent call that writes a newline.
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There is an unexpected space between values
That space may come from the default sep=' ' between multiple objects, rather than from end. Set sep explicitly if you want a different separator, or pass the combined text as one object.
Python rejects the argument
Pass the setting as a keyword, such as end='!', and provide a string or None. An integer or other unsupported value is not a valid ending.
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A newline appears different in a text file
Check how the file was opened and configured. print() supplies the ending string, while the text stream can handle newline translation. For binary output, use the file object’s write method as the reference advises.
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