I am trying to find the closest number to 5 in set b. This is my code. Answer You can use the key argument to min to achieve this:
Tag: set
converting a set() to an int python
So my question is how can you (or if it can be done at all) convert data type of set to an integer? for example: (IS A TOY EXAMPLE TO EXPLAIN WHAT I’M TRYING TO DO) Output: <class ‘int’> So any assistance in the conversion of a set() to an int would be greatful. I have seen this how-ca…
Generating Maximal Subsets of a Set Under Some Constraints in Python
I have a set of attributes A= {a1, a2, …an} and a set of clusters C = {c1, c2, … ck} and I have a set of correspondences COR which is a subset of A x C and |COR|<< A x C. Here is a sample set of correspondences COR = {(a1, c1), (a1, c2), (a2, c1), (a3, c3), (a4,
Why set automatically unpacks range, but list doesn`t? How this can be used?
I create list and set with range. Set unpacks range, list doesn`t Answer The reason why it doesn’t unpack is because my_list is only putting two brackets next to it, if you do that with set it will be the same: But if you do list(…) it will unpack:
Unique lists within list of lists if those lists have list as one of the elements
If I have: What would be the best way to get: If I try: I get TypeError: unhashable type: ‘list’. I don’t want to remove all layers of nesting, because that would just combine everything into one list: Output: If two instructors have the same count (i.e. 3 in this case), then only one 3 rema…
How to add() runtime input in a set in python?
Problem I am trying to add() elements in a set at run time using a for loop: Surprisingly, l1 is a set but, when I go on add() -ing elements to my set l2 in a loop I get : TypeError: unhashable type: ‘list’ Research Effort: Here are other ways I have tried to add() elements to set l2 and
Equality between frozensets
Example: Frozen sets are immutable. I would expect that equality between immutable objects should by determined by order, but here obviously that is not the case. How can I discard frozensets with same elements and different order, without casting to different type? Answer The short answer is you can’t,…
Why does Python assign None if you add a variable to a set while assigning it
Instead of adding a variable to a set correctly, e.g.: I just accidentally coded: While I appreciate that this is not how you should add items to a set, it surprised me that the above resulted in set_to_add_to taking the value None. I couldn’t work out why that would happen: it seems analogous to int_va…
How do I find the keys in one dictionary that do not have a counterpart in another dictionary?
In Python, how do I find the keys in one dictionary that do not have a counterpart in another dictionary? The practical problem is that I have a dictionary of people that enrolled and a dictionary with their daily participation and I am trying to find the people that enrolled but did not participate, or are i…
Why does a set display in same order if sets are unordered?
I’m taking a first look at the python language from Python wikibook. For sets the following is mentioned: We can also have a loop move over each of the items in a set. However, since sets are unordered, it is undefined which order the iteration will follow. and the code example given is : Output: When I…