Python Question / Quiz; What is the output of the following Python code, and why? Comment your answers below!
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A) [5,7,9].
np.array creates NumPy arrays
Adding two elemnts-wise gives [1,2,3]+[4,5,6] = [1+4, 2+5, 3+6] = [5,7,9].
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@PythonPr Answer: (A)
In NumPy, when you add two arrays of the same size, the operation is performed element-wise. This means that each element in the first array is added to the corresponding element in the second array. The first elements are added: (1+4=5)
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@PythonPr plz post more questions like this.
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@PythonPr 1. In numpy, arithmetic operators perform element wise operations. 2. The corresponding elements in both 1D array objects aggregate each other and the result is a new array object [5, 7, 9]
3. Alternatively using a ufunc np.add(a, b) offers an alternative solution to the above
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A) [5, 7, 9]
NumPy does element-wise addition:
› a = [1, 2, 3]
› b = [4, 5, 6]
› a + b adds matching positions: 1+4=5, 2+5=7, 3+6=9
› Result: [5, 7, 9]
For beginners: NumPy arrays aren't the same as Python lists! Lists concatenate with +, arrays perform math operations.
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@PythonPr A) [5,7,9] is the right answer.
Here a,b are array not list so we can perform addition opertaor. ARRAY are different from they can store only one type of data and array are faster and simpler than list.
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