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Modern Python Cookbook

You're reading from   Modern Python Cookbook The latest in modern Python recipes for the busy modern programmer

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Product type Paperback
Published in Nov 2016
Publisher Packt
ISBN-13 9781786469250
Length 692 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (12) Chapters Close

Preface 1. Numbers, Strings, and Tuples 2. Statements and Syntax FREE CHAPTER 3. Function Definitions 4. Built-in Data Structures – list, set, dict 5. User Inputs and Outputs 6. Basics of Classes and Objects 7. More Advanced Class Design 8. Input/Output, Physical Format, and Logical Layout 9. Testing 10. Web Services 11. Application Integration

Using features of the print() function


In many cases, the print() function is the first function we learn. The first script is often a variation on the following:

print("Hello world.")

We quickly learn that the print() function can display multiple values, including a helpful space between items.

When we write this:

>>> count = 9973 
>>> print("Final count", count) 
Final count 9973

We see that a space is included to separate the two values. Additionally, a line break, usually represented by the \n character, is printed after the values provided in the function.

Can we control this formatting? Can we change the extra characters that are supplied?

It turns out that there are some more things we can do with print().

Getting ready

We have a spreadsheet that is used to record fuel consumption on a large sailboat. It has rows that look like this:

Date

10/25/13

10/26/13

10/28/13

Engine on

08:24:00

09:12:00

13:21:00

Fuel height on

29

27

22

Engine off

13:15:00

18:25:00

06:25:00

Fuel height off

27

22

14

 

For...

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