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Sorting Operations List Sorting Python lists offer two distinct sorting approaches with different behaviors: # sort() modifies the list in-place and returns None numbers = [3, 1, 4, 1, 5] result = numbers.sort() print(result) # None print(numbers) # [1, 1, 3, 4, 5] # sorted() returns a new sorted list, leaving the original unchanged numbers ...

Key Array Attributes Without Parentheses arr.dtype arr.shape # yields a tuple arr.size arr.ndim # number of dimensions Reshaping vs Resizing: arr.reshape, arr.resize, np.resize arr.reshape(dim1, dim2, ...) returns a new array without modifying the original, whereas arr.resize((dim1, dim2, ...)) alters the array in-place and returns nothi ...