Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
4th Edition
ISBN: 9780134444321
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 7.10, Problem 30CP

Explanation of Solution

Function “xticks()”:

  • • Function “xticks()” displays the customized tick mark labels along the X axis.
  • • This function sets the X limits of the current location with the tick label.

Syntax:

The “xticks()” function has the below format.

#Customize the tick marks along the X axis

plt.xticks(locations, labels)

Explanation:

Here,

  • • “xticks()” is the function that customizes the tick marks along the X axis.
  • • The variables “locations” and “labels” are one-dimensional list that specifies the tick mark locations and its corresponding labels.

Example program:

The below example shows how to use the “xticks()” function in Python.

#Import the files

import matplotlib.pyplot as plt

#Function definition

def main():

         #Define the left edges

         leftedges=[0,10,20,30,40]

         #Define the heights

         heights=[500,800,645,700,900]

         #Create a bar chart

         plt.bar(leftedges, heights,5)  

         #Create X axis label

         plt.xlabel('Year')

         #Create Y axis label

         plt.ylabel('Profit')

         #Create X axis ticks

         plt.xticks([0,10,20,30,40],

         ['2010','2011','2012','2013','2014'])

         #Show the graph

         plt.show()

#Call the function

main()

In the above code,

  • • Define the function “main()”. Inside the function,
    • ○ Create two lists to store the left edges and heights of all the bars.
    • ○ Then create labels for the X and Y axes.
    • ○ The function “xticks()” places the tick marks in the X axis at locations “0, 10, 20, 30,and 40” with the labels “2010, 2011, 2012, 2013, and 2014”, respectively.

Output:

Screenshot of the bar chart using the function “xticks()”

Function “yticks()”:

  • • The function “yticks()” in Python enables the user to customize the tick marks labels along the Y axis.
  • • This function sets the Y limits of the current location with the given tick label.

Syntax:

The “yticks()” function has the below format.

#Customize the tick marks along the Y axis

plt...

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Chapter 7 Solutions

Starting Out with Python (4th Edition)

Ch. 7.3 - Prob. 11CPCh. 7.3 - Prob. 12CPCh. 7.3 - Prob. 13CPCh. 7.4 - What will the following code display? names =...Ch. 7.5 - Prob. 15CPCh. 7.5 - Prob. 16CPCh. 7.5 - Prob. 17CPCh. 7.5 - Prob. 18CPCh. 7.8 - Prob. 19CPCh. 7.8 - Prob. 20CPCh. 7.8 - Write a set of nested loops that display the...Ch. 7.9 - Prob. 22CPCh. 7.9 - Prob. 23CPCh. 7.9 - Prob. 24CPCh. 7.9 - Prob. 25CPCh. 7.10 - Prob. 26CPCh. 7.10 - Prob. 27CPCh. 7.10 - Prob. 28CPCh. 7.10 - Prob. 29CPCh. 7.10 - Prob. 30CPCh. 7.10 - To create a bar chart with the bar function, what...Ch. 7.10 - Assume the following statement calls the bar...Ch. 7.10 - Prob. 33CPCh. 7 - This term refers to an individual item in a list....Ch. 7 - This is a number that identifies an item in a...Ch. 7 - Prob. 3MCCh. 7 - This is the last index in a list. a. 1 b. 99 c. 0...Ch. 7 - This will happen if you try to use an index that...Ch. 7 - This function returns the length of a list. a....Ch. 7 - When the operator's left operand is a list and...Ch. 7 - This list method adds an item to the end of an...Ch. 7 - This removes an item at a specific index in a...Ch. 7 - Prob. 10MCCh. 7 - If you call the index method to locate an item in...Ch. 7 - Prob. 12MCCh. 7 - This file object method returns a list containing...Ch. 7 - Which of the following statement creates a tuple?...Ch. 7 - Prob. 1TFCh. 7 - Prob. 2TFCh. 7 - Prob. 3TFCh. 7 - Prob. 4TFCh. 7 - A file object's writelines method automatically...Ch. 7 - You can use the + operator to concatenate two...Ch. 7 - Prob. 7TFCh. 7 - You can remove an element from a tuple by calling...Ch. 7 - Prob. 1SACh. 7 - Prob. 2SACh. 7 - What will the following code display? values = [2,...Ch. 7 - Prob. 4SACh. 7 - Prob. 5SACh. 7 - Prob. 6SACh. 7 - Prob. 1AWCh. 7 - Prob. 2AWCh. 7 - Prob. 3AWCh. 7 - Prob. 4AWCh. 7 - Write a function that accepts a list as an...Ch. 7 - Prob. 6AWCh. 7 - Prob. 7AWCh. 7 - Prob. 8AWCh. 7 - Total Sales Design a program that asks the user to...Ch. 7 - Prob. 2PECh. 7 - Rainfall Statistics Design a program that lets the...Ch. 7 - Prob. 4PECh. 7 - Prob. 5PECh. 7 - Larger Than n In a program, write a function that...Ch. 7 - Drivers License Exam The local driver s license...Ch. 7 - Name Search If you have downloaded the source code...Ch. 7 - Prob. 9PECh. 7 - World Series Champions If you have downloaded the...Ch. 7 - Prob. 11PECh. 7 - Prob. 12PECh. 7 - Magic 8 Ball Write a program that simulates a...Ch. 7 - Expense Pie Chart Create a text file that contains...Ch. 7 - 1994 Weekly Gas Graph In the student sample...
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