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NameError: name 'reduce' is not defined in Python
I'm using Python 3.2. Tried this:
5 Answers
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How to randomly select an item from a list?
...orrect', 'horse', 'staple']
print(secrets.choice(foo))
secrets is new in Python 3.6, on older versions of Python you can use the random.SystemRandom class:
import random
secure_random = random.SystemRandom()
print(secure_random.choice(foo))
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Append values to a set in Python
...> my_set |= {2}
>>> my_set
{1, 2}
Note: In versions prior to Python 2.7, use set([...]) instead of {...}.
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How to save a dictionary to a file?
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Python has the pickle module just for this kind of thing.
These functions are all that you need for saving and loading almost any object:
def save_obj(obj, name ):
with open('obj/'+ name + '.pkl', 'wb') as f:
pi...
Get loop count inside a Python FOR loop
In a Python for loop that iterates over a list we can write:
5 Answers
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python date of the previous month
I am trying to get the date of the previous month with python.
Here is what i've tried:
12 Answers
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Reading/parsing Excel (xls) files with Python
What is the best way to read Excel (XLS) files with Python (not CSV files).
12 Answers
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How to source virtualenv activate in a Bash script
How do you create a Bash script to activate a Python virtualenv?
9 Answers
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Using HTML5/JavaScript to generate and save a file
...me. See also 'Force to open "Save As..." popup open at text link click for pdf in HTML'.
Specifying a filename
If the blob is created with the File constructor, you can also set a filename, but only a few web browsers (including Chrome & Firefox) have support for the File constructor. The file...
What will happen if I modify a Python script while it's running?
Imagine a python script that will take a long time to run, what will happen if I modify it while it's running? Will the result be different?
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