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How do I pass a string into subprocess.Popen (using the stdin argument)?
...grep_stdout.decode())
# -> four
# -> five
# ->
On the current Python 3 version, you could use subprocess.run, to pass input as a string to an external command and get its exit status, and its output as a string back in one call:
#!/usr/bin/env python3
from subprocess import run, PIPE
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Python: changing value in a tuple
I'm new to python so this question might be a little basic. I have a tuple called values which contains the following:
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Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]
I have this python program that adds strings to integers:
9 Answers
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Where are static variables stored in C and C++?
...good link explaining these concepts:
http://www.inf.udec.cl/~leo/teoX.pdf
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Get last result in interactive Python shell
...% to retrieve the last computed value. Is there a similar facility in the Python shell?
3 Answers
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Inverse dictionary lookup in Python
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python has a .index method on lists the returns the first found index with the specified value or an exception if not found... any reason why such a semantic could not be applied to dictionaries?
– Bria...
How to use phpexcel to read data and insert into database?
...ere I want to read data from excel, Insert into database and then generate pdf reports for specific users.
I searched a lot but nothing specific given about both things.
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Split a string by spaces — preserving quoted substrings — in Python
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@MatthewG. The "fix" in Python 2.7.3 means that passing a unicode string to shlex.split() will trigger a UnicodeEncodeError exception.
– Rockallite
Nov 1 '19 at 3:06
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In Python, how do I split a string and keep the separators?
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@Laurence: Well, it's documented: docs.python.org/library/re.html#re.split: "Split string by the occurrences of pattern. If capturing parentheses are used in pattern, then the text of all groups in the pattern are also returned as part of the resulting list."
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...guage and preclude a whole bunch of new features from being implemented in Python 2.x.
What yield from does is it establishes a transparent bidirectional connection between the caller and the sub-generator:
The connection is "transparent" in the sense that it will propagate everything correctly t...