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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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GCD to perform task in main thread
... is an important thing to consider
– Marc-Alexandre Bérubé
Jan 29 '16 at 13:45
Since you want to check, this means t...
Get loop count inside a Python FOR loop
In a Python for loop that iterates over a list we can write:
5 Answers
5
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String concatenation vs. string substitution in Python
In Python, the where and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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Parameterize an SQL IN clause
...ed Aug 14 '15 at 20:25
Jean-François Savard
19.1k55 gold badges4040 silver badges6666 bronze badges
answered May 29 '09 at 23:18
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How to save a dictionary to a file?
...
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...
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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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
9
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