Replacing instances of a character in a string
This simple code that simply tries to replace semicolons (at i-specified postions) by colons does not work:
python
Stripping everything but alphanumeric chars from a string in Python
What is the best way to strip all non alphanumeric characters from a string, using Python?
sys.argv[1] meaning in script
I’m currently teaching myself Python and was just wondering (In reference to my example below) in simplified terms what the sys.argv[1] represents. Is it simply asking for an input?
How can I get list of values from dict?
How can I get a list of the values in a dict in Python?
Construct pandas DataFrame from items in nested dictionary
Suppose I have a nested dictionary ‘user_dict’ with structure:
How does zip(*[iter(s)]*n) work in Python?
s = [1,2,3,4,5,6,7,8,9] n = 3 zip(*[iter(s)]*n) # returns [(1,2,3),(4,5,6),(7,8,9)] How does zip(*[iter(s)]*n) work? What would it look like if it was written with more verbose code? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them … Read more
if else in a list comprehension
Python’s conditional expression is a if C else b and can’t be used as:
TypeError: ‘int’ object is not callable
Given the following integers and calculation
Extract first item of each sublist
I am wondering what is the best way to extract the first item of each sublist in a list of lists and append it to a new list. So if I have:
Correct way to try/except using Python requests module?
In the event of a network problem (e.g. DNS failure, refused connection, etc), Requests will raise a ConnectionError exception.