January 2019
Beginner
318 pages
8h 23m
English
Content preview from Mastering Python Scripting for System Administrators
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Questions
- What is a NumPy array?
- What is the output of the following code snippet?
import numpy as np# input arrayin_arr1 = np.array([[ 1, 2, 3], [ -1, -2, -3]] )print ("1st Input array : \n", in_arr1) in_arr2 = np.array([[ 4, 5, 6], [ -4, -5, -6]] )print ("2nd Input array : \n", in_arr2) # Stacking the two arrays horizontallyout_arr = np.hstack((in_arr1, in_arr2))print ("Output stacked array :\n ", out_arr)
- How do you sum a small array faster than np.sum?
- How do you delete indices, rows, or columns from a Pandas DataFrame?
- How do you write a Pandas DataFrame to a file?
- What is NaN in pandas ?
- How do you remove duplicates from a pandas DataFrame ?
- How do you change the size of figures drawn with Matplotlib?
- What are the alternatives available ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.