12/28/2023 0 Comments List extend python![]() ![]() It iterates over the specified iterable and appends its elements to the end of the current list. On the other hand, if you append a list of with another list, then the resultant list will have just 4 elements i.e. The list.extend() is Pythons built-in function. The append() list method add the given list or array to the current list.įor example, if you extend a list of with another list, then the resultant list will have 5 elements i.e. Instead of adding each element one by one using the append() method, we can use the extend() method to add entire elements of the list at once to repeat them. As you can see, the code is really trying to be efficient as. The extend() list method adds the elements from the given iterable like list or array to the current list. from math import sqrt abundantlist for i in range (12,28123+1): dividorlist 1 for j in range (2, int (sqrt (i))+1): if ij 0: dividorlist.extend ( i/j,j) if sum (dividorlist) > i: abundantlist.append (i) print abundantlist. Let’s see the differences between extend() and append() list methods. The extend function will append all elements of the parameter to the list. Pythons list or array methods extend() and append() appears similar, but they perform different operations on the list. To append a list to another list, use extend() function on the list you want to extend and pass the other list as argument to extend() function. For the general case, see Scott Griffiths answer.When dealing with lists like you are, though, the + operator is a shorthand for someListObject.extend(iterableObject).See the documentation of extend().
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