blocks|key|721956|text|使用sys.stdout.write('Installing+XXX...+')和sys.stdout.write('Done')。这样，如果您想要重新创建打印功能，则必须使用"\n"手动添加新行。我认为可能没有必要仅仅为了这个而使用诅咒。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|721957|entityMap^0|2|12|15|O|2G|4|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|O|8|@]|D|@]|E|$]]]|G|$]]

Use <code>sys.stdout.write('Installing XXX... ')</code> and <code>sys.stdout.write('Done')</code>. In this way, you have to add the new line by hand with <code>"\n"</code> if you want to recreate the print functionality. I think that it might be unnecessary to use curses just for this.

blocks|key|938197|text|最简单的：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|938198|Python+3|938199|++++print('\r'+%2B+'something+to+be+override',+end='')|code-block|syntax|javascript|938200|这意味着它会将光标返回到开始位置，然后打印一些内容，并在同一行中结束。如果在循环中，它将在开始打印的相同位置开始打印。|938201|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

<h1>Most simple:</h1>
<h3>Python 3</h3>
<pre><code> print('\r' + 'something to be override', end='')
</code></pre>
It means it will back the cursor to beginning, than will print something and will end in the same line. If in a loop it will start printing in the same place it starts.

blocks|key|937783|text|没有一个答案对我有效，因为它们都会暂停，直到遇到新的一行。我写了一个简单的助手：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|937784|def+print_no_newline(string):
++++import+sys
++++sys.stdout.write(string)
++++sys.stdout.flush()|code-block|syntax|javascript|937785|要对其进行测试：|937786|import+time
print_no_newline('hello+')
#+Simulate+a+long+task
time.sleep(2)
print('world')|937787|"hello“将首先打印出来，并在睡眠前刷新到屏幕上。在此之后，您可以使用标准打印。|937788|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

None of the answers worked for me since they all paused until a new line was encountered. I wrote a simple helper:

<pre><code>def print_no_newline(string):
 import sys
 sys.stdout.write(string)
 sys.stdout.flush()
</code></pre>

To test it: 

<pre><code>import time
print_no_newline('hello ')
# Simulate a long task
time.sleep(2)
print('world')
</code></pre>

"hello " will first print out and flush to the screen before the sleep. After that you can use standard print.

blocks|key|721994|text|sys.stdout.write将不使用回车符进行打印|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|721995|import+sys
sys.stdout.write("installing+xxx")
sys.stdout.write(".")|code-block|syntax|javascript|721996|http://en.wikibooks.org/wiki/Python_Programming/Input_and_output#printing_without_commas_or_newlines|721997|entityMap|0|LINK|mutability|MUTABLE|url^0|0|G|0|0|0|2S|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|W|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|X|8|@]|D|@$9|Y|A|Z|1|10]]|E|$]]|$1|M|3|-4|5|6|7|11|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|L]]]]

<code>sys.stdout.write</code> will print without return carriage

<pre><code>import sys
sys.stdout.write("installing xxx")
sys.stdout.write(".")
</code></pre>

<a href="http://en.wikibooks.org/wiki/Python_Programming/Input_and_output#printing_without_commas_or_newlines" rel="noreferrer">http://en.wikibooks.org/wiki/Python_Programming/Input_and_output#printing_without_commas_or_newlines</a>

blocks|key|938382|text|Python会将换行符作为打印的结尾。对于print方法的python3，使用end=‘’附加一个空格，而不是换行符。对于python2，在打印语句末尾使用逗号。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|938383|print('Foo',+end='+')
print('Bar')|code-block|syntax|javascript|938384|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Python appends newline as an end to print. Use end=' ' for python3 for print method to append a space instead of a newline. for python2 use comma at end of print statement.
<pre><code>print('Foo', end=' ')
print('Bar')
</code></pre>

blocks|key|937869|text|Print有一个可选的end参数，它是最后打印的内容。缺省值是换行符，但您可以将其更改为空字符串。例如print("hello+world!",+end="")|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|937870|entityMap^0|B|3|1F|T|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

Print has an optional <code>end</code> argument, it is what printed in the end.
The default is a newline, but you can change it to empty string. e.g. <code>print("hello world!", end="")</code>

blocks|key|722358|text|这个简单的示例将在同一行上打印1-10。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|722359|for+i+in+range(1,11):
++++print+(i,+end="+")|code-block|syntax|javascript|722360|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This simple example will print 1-10 on the same line.

<pre><code>for i in range(1,11):
 print (i, end=" ")
</code></pre>

blocks|key|722209|text|如果想要覆盖前一行(而不是不断地添加)，可以在打印语句的末尾结合使用\r和print(),。例如,|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|722210|from+time+import+sleep

for+i+in+xrange(0,+10):
++++print("\r{0}".format(i)),
++++sleep(.5)

print("...DONE!")|code-block|syntax|javascript|722211|将从0数到9，替换控制台中的旧数字。"...DONE!"将与最后一个计数器9打印在同一行上。|722212|在您的OP示例中，这将允许控制台将安装完成百分比显示为“进度条”，您可以在其中定义开始和结束字符位置，并更新其间的标记。|722213|print("Installing+%7CXXXXXX++++++++++++++%7C+30%25"),|722214|entityMap^0|Y|2|11|8|0|0|I|A|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|M|3|N|5|6|7|11|8|@]|D|@]|E|$]]|$1|O|3|P|5|H|7|12|8|@]|D|@]|E|$I|J]]|$1|Q|3|-4|5|6|7|13|8|@]|D|@]|E|$]]]|R|$]]

If you want to overwrite the previous line (rather than continually adding to it), you can combine <code>\r</code> with <code>print(),</code> at the end of the print statement. For example,

<pre><code>from time import sleep

for i in xrange(0, 10):
 print("\r{0}".format(i)),
 sleep(.5)

print("...DONE!")
</code></pre>

will count 0 to 9, replacing the old number in the console. The <code>"...DONE!"</code> will print on the same line as the last counter, 9.

In your case for the OP, this would allow the console to display percent complete of the install as a "progress bar", where you can define a begin and end character position, and update the markers in between.

<pre><code>print("Installing |XXXXXX | 30%"),
</code></pre>

blocks|key|938280|text|print()有一个内置参数"+end“，默认设置为"\n”。调用print("This+is+America")实际上是在调用print("This+is+America"，end=+"\n")。一种简单的方法是调用print("This+is+America"，end+="")|type|unstyled|depth|inlineStyleRanges|entityRanges|data|938281|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

print() has a built in parameter "end" that is by default set to "\n" 
Calling print("This is America") is actually calling print("This is America", end = "\n").
An easy way to do is to call print("This is America", end ="")

blocks|key|938025|text|如果您已将值预先存储在数组中，则可以按以下格式调用它们：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|938026|for+i+in+range(0,n):
+++++++print+arr[i],|code-block|syntax|javascript|938027|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Just in case you have pre-stored the values in an array, you can call them in the following format:

<pre><code>for i in range(0,n):
 print arr[i],
</code></pre>

blocks|key|722631|text|我找到了这个Quora+post，使用这个例子(Python3)，它更接近于我需要它的目的(即擦除前面的整个行)。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|722632|它们提供的示例如下：|722633|def+clock():
+++while+True:
+++++++print(datetime.now().strftime("%25H:%25M:%25S"),+end="\r")|code-block|syntax|javascript|722634|如果要像其他人建议的那样在同一行上打印，只需使用end=""|style|CODE|722635|entityMap|0|LINK|mutability|MUTABLE|url|https://www.quora.com/How-can-I-delete-the-last-printed-line-in-Python-language^0|6|A|0|0|0|0|O|6|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|6|7|10|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|11|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|12|8|@$A|13|B|14|M|N]]|9|@]|C|$]]|$1|O|3|-4|5|6|7|15|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|V]]]]

Found this <a href="https://www.quora.com/How-can-I-delete-the-last-printed-line-in-Python-language" rel="nofollow noreferrer">Quora post</a>, with this example which worked for me (python 3),
which was closer to what I needed it for (i.e. erasing the whole previous line).

The example they provide:

<pre><code>def clock():
 while True:
 print(datetime.now().strftime("%H:%M:%S"), end="\r")
</code></pre>

For printing the on the same line, as others have suggested, just use <code>end=""</code>

blocks|key|722297|text|我找到了这个解决方案，它在Python2.7上工作|type|unstyled|depth|inlineStyleRanges|entityRanges|data|722298|#+Working+on+Python+2.7+Linux

import+time
import+sys


def+backspace(n):
++++print('\r',+end='')+++++++++++++++++++++#+use+'\r'+to+go+back


for+i+in+range(101):++++++++++++++++++++++++#+for+0+to+100
++++s+=+str(i)+%2B+'%25'++++++++++++++++++++++++#+string+for+output
++++sys.stdout.write(string)
++++backspace(len(s))+++++++++++++++++++++++#+back+for+n+chars
++++sys.stdout.flush()
++++time.sleep(0.2)+++++++++++++++++++++++++#+sleep+for+200ms|code-block|syntax|javascript|722299|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I found this solution, and it's working on Python 2.7

<pre><code># Working on Python 2.7 Linux

import time
import sys


def backspace(n):
 print('\r', end='') # use '\r' to go back


for i in range(101): # for 0 to 100
 s = str(i) + '%' # string for output
 sys.stdout.write(string)
 backspace(len(s)) # back for n chars
 sys.stdout.flush()
 time.sleep(0.2) # sleep for 200ms
</code></pre>

I want to run a script, which basically shows an output like this:

<pre><code>Installing XXX... [DONE]
</code></pre>

Currently, I print <code>Installing XXX...</code> first and then I print <code>[DONE]</code>.

However, I now want to print <code>Installing xxx...</code> and <code>[DONE]</code> on the same line.

Any ideas?

multiple prints on the same line in Python

Python

Linux

我想运行一个脚本，它基本上显示如下输出：Installing XXX...               [DONE]目前，我先打印Installing XXX...，然后再打印[DONE]。但是，我现在想在同一行上打印Installing xxx...和[DONE]。有什么想法吗？

问Python中同一行上的多个打印
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