Then use it via lambda function for retrieving needed element by any required equation e.g. by using element name. element = mylist[index(mylist, lambda item: item["name"] == "my name")] …

For your first question, find the position of some value in a list x using index(), like so:. x.index(value) For your second question, to check for multiple same values you should split …

You can now check whether any number satisfying a certain condition is in your array nums. For example, check whether any number that is greater than or equal to 5 exists in nums : …

However, I have looked through the Python standard library, and I see some excellent uses for it. There are many, many uses for it in idlelib, for GUI and text parsing. The keyword module …

1: I'm not aware of Python 2. When I started using Python, Python 3 was already available. Unfortunately I'm clueless about the specifcs of Python 2. 2. @freethebees as pointed out by …

In Python we can get the index of a value in an array by using .index(). But with a NumPy array, when I try to do: decoding.index(i) I get: AttributeError: 'numpy.ndarray' object has no attribute '

Jun 20, 2022 · Summary of answer: If one has a sorted array then the bisection code (given below) performs the fastest. ~100-1000 times faster for large arrays, and ~2-100 times faster …

Jan 11, 2009 · A great example is computing buckets, e.g. for categorizing. Let's say you have an array of cut points, and you want the "bucket" that corresponds to each element of your array. …

Dec 5, 2012 · X[np.array(a)>4]#X needs to be np.array as well Explanation: np.array converts a to an array. np.array(a)>4 gives a bool array with all the elements that should be kept. And X is …

I've been Googling and searching the Python docs, and I think I might be able to do this with a list comprehension, but I'm not sure. I might add that I'm having to use Python 2.4.3 by the way, …