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How can I pass a list as a command-line argument with argparse?
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Example: temp_args1.py
Please Note: The below sample code is written in python3. By changing the print statement format, can run in python2
#!/usr/local/bin/python3.6
from argparse import ArgumentParser
description = 'testing for passing multiple arguments and to get list of args'
parser = Arg...
Print string to text file
...TotalAmount))
For python2.7 and higher you can use {} instead of {0}
In Python3, there is an optional file parameter to the print function
with open("Output.txt", "w") as text_file:
print("Purchase Amount: {}".format(TotalAmount), file=text_file)
Python3.6 introduced f-strings for another ...
Add up a column of numbers at the Unix shell
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python3 -c"import os; print(sum(os.path.getsize(f) for f in open('files.txt').read().split()))"
Or if you just want to sum the numbers, pipe into:
python3 -c"import sys; print(sum(int(x) for x in sys.stdin))"
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Python: Get relative path from comparing two absolute paths
...' - it means that the second path is not descendant of the first path.
In Python3 you can use PurePath.relative_to:
Python 3.5.1 (default, Jan 22 2016, 08:54:32)
>>> from pathlib import Path
>>> Path('/usr/var/log').relative_to('/usr/var/log/')
PosixPath('.')
>>> Path(...
为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
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App Inventor 2 是积木式在线安卓开发环境，利用拖拽式的方式实现代码块堆叠，从...
Failed to install Python Cryptography package with PIP and setup.py
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Don't forget to replace python-dev with python3-dev if you are using python3
– duan
Feb 28 '17 at 1:45
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What is an alternative to execfile in Python 3?
... This is so much more verbose than before. Also, it doesn't work for me on Python3.3. I get "No such file or directory" when I exec(open('./some_file').read()). I have tried including the '.py' extension and also excluding the './' as well
– JoeyC
Feb 20 '14 at...
How do I add tab completion to the Python shell?
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It looks like python3 has it out-of box!
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Retrieving parameters from a URL
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In python3 import urllib.parse as urlparse
– Ivan De Paz Centeno
Sep 28 '16 at 9:44
27
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No module named MySQLdb
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See this question for some options in Python3: stackoverflow.com/questions/4960048/python-3-and-mysql/…
– Symmetric
Jan 7 '16 at 0:23
3
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