There are a number of text conventions used throughout this book.
CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "We can also get rid of the last .get call by combining ChainMap with defaultdict."
A block of code is set as follows:
for word in 'hello world this is a very nice day'.split():
if word in counts:
counts[word] += 1
When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:
class Bunch(dict):
def __init__(self, **kwds):
super().__init__(**kwds)
self.__dict__ = self
Any command-line input or output is written as follows:
>>> print(population['japan'])
127
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: "If a continuous integration system is involved"
Warnings or important notes appear like this.
Tips and tricks appear like this.