TypeError: list indices must be integers or slices, not str
I’ve got two lists that I want to merge into a single array and finally put it in a csv file. I’m a newbie with Python arrays and I don’t understand how I can avoid this error :
list
Finding first and last index of some value in a list in Python
Is there any built-in methods that are part of lists that would give me the first and last index of some value, like:
How to find the min/max value of a common key in a list of dicts?
I have a list of dictionaries like so:
Confused about __str__ on list in Python
Coming from a Java background, I understand that __str__ is something like a Python version of toString (while I do realize that Python is the older language). So, I have defined a little class along with an __str__ method as follows: class Node: def __init__(self, id): self.id = id self.neighbours = [] self.distance = 0 … Read more
Converting Dictionary to List?
I’m trying to convert a Python dictionary into a Python list, in order to perform some calculations. #My dictionary dict = {} dict['Capital']="London" dict['Food']="Fish&Chips" dict['2012']="Olympics" #lists temp = [] dictList = [] #My attempt: for key, value in dict.iteritems(): aKey = key aValue = value temp.append(aKey) temp.append(aValue) dictList.append(temp) aKey = "" aValue = "" That’s … Read more
Python: why does my list change when I’m not actually changing it?
Newbie with a question, so please be gentle:
Extract elements of list at odd positions
So I want to create a list which is a sublist of some existing list.
Move an item inside a list?
In Python, how do I move an item to a definite index in a list?
Python AND operator on two boolean lists – how?
I have two boolean lists, e.g.,