Conventions used

In this book, you will find a number of text styles and conventions used throughout this book. Here, we have shown some examples of these styles. Code words in the text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles  are shown as follows: "The other convention the pandas project insists on is the import pandas as pd import statement."

A block of code is set as follows:

# Creating an array
import numpy as np

a = np.array([2,4,6,8,10])

print(a)

Any command-line input or output is written as follows:

$ mkdir 
$ cd css

Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "Select System info from the Administration panel."

Warnings or important notes appear like this.

Tips and tricks appear like this.