KwickClips Python · 36 sec · free
What does [1, 2, 3] * 2 give?
Short answer. [1, 2, 3, 1, 2, 3], the list repeated.
What does np.array([1, 2, 3]) * 2 give?
[2 4 6], every value doubled.
Remember
| List * 2 repeats |
| Array * 2 doubles |
A list times two, an array times two. Same answer? No. A list times two repeats the list. An array times two doubles every value. A list repeats. An array doubles.
This clip is from the full lesson: Introduction to NumPy Arrays — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Artificial Intelligence (417), CBSE Class 11 Informatics Practices (065), CBSE Class 11 Artificial Intelligence (843), CBSE Class 12 Artificial Intelligence (843)
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