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4.9: Population Write a program that will predict the size of a population of organisms. The program should ask the user for the starting number of organisms, their average daily population increase (as a percentage, expressed as a fraction in decimal form: for example 0.052 would mean a 5.2% increase each day), and the number of days they will multiply. A loop should display the size of the population for each day. Prompts, Output Labels and Messages.The three input data should be prompted for with the following prompts: "Enter the starting number organisms: ", "Enter the daily increase: ", and "Enter the number of days the organisms will multiply: " respectively. After the input has been read in successfully, a table is produced, for example: 300.0 675.0 Under the heading is a line of 29 dashes followed by one line for each day, showing the day number and the population at the beginning of that day. Input Validation.Do not accept a number less than 2 for the starting size of the population. If the user fails to satisfy this print a line with this message "Invalid. Must be at least 2. Re-enter: " and try to read the value. Similarly, do not accept a negative number for average daily population increase, using the message "Invalid. Enter a non- negative number: " and retrying. Finally, do not accept a number less than 1 for the number of days they will multiply and use the message "Invalid. Enter 1 or more: ".

4.9: Population Write a program that will predict the size of a population of organisms. The program should ask the user for the starting number of organisms, their average daily population increase (as a percentage, expressed as a fraction in decimal form: for example 0.052 would mean a 5.2% increase each day), and the number of days they will multiply. A loop should display the size of the population for each day. Prompts, Output Labels and Messages.The three input data should be prompted for with the following prompts: "Enter the starting number organisms: ", "Enter the daily increase: ", and "Enter the number of days the organisms will multiply: " respectively. After the input has been read in successfully, a table is produced, for example: 300.0 675.0 Under the heading is a line of 29 dashes followed by one line for each day, showing the day number and the population at the beginning of that day. Input Validation.Do not accept a number less than 2 for the starting size of the population. If the user fails to satisfy this print a line with this message "Invalid. Must be at least 2. Re-enter: " and try to read the value. Similarly, do not accept a negative number for average daily population increase, using the message "Invalid. Enter a non- negative number: " and retrying. Finally, do not accept a number less than 1 for the number of days they will multiply and use the message "Invalid. Enter 1 or more: ".

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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4.9: Population Write a program that will predict the size of a population of organisms. The program should ask the user for the starting number of organisms, their average daily population increase (as a percentage, expressed as a fraction in decimal form: for example 0.052 would mean a 5.2% increase each day), and the number of days they will multiply. A loop should display the size of the population for each day. Prompts, Output Labels and Messages.The three input data should be prompted for with the following prompts: "Enter the starting number organisms: ", "Enter the daily increase: ", and "Enter the number of days the organisms will multiply:" respectively. After the input has been read in successfully, a table is produced, for example: 2 300.0 4 675.0 Under the heading is a line of 29 dashes followed by one line for each day, showing the day number and the population at the beginning of that day. Input Validation.Do not accept a number less than 2 for the starting size of the population. If the user fails to satisfy this print a line with this message "Invalid. Must be at least 2. Re-enter: " and try to read the value. Similarly, do not accept a negative number for average daily population increase, using the message "Invalid. Enter a non- negative number: " and retrying. Finally, do not accept a number less than 1 for the number of days they will multiply and use the message "Invalid. Enter 1 or more: ".
Transcribed Image Text:4.9: Population Write a program that will predict the size of a population of organisms. The program should ask the user for the starting number of organisms, their average daily population increase (as a percentage, expressed as a fraction in decimal form: for example 0.052 would mean a 5.2% increase each day), and the number of days they will multiply. A loop should display the size of the population for each day. Prompts, Output Labels and Messages.The three input data should be prompted for with the following prompts: "Enter the starting number organisms: ", "Enter the daily increase: ", and "Enter the number of days the organisms will multiply:" respectively. After the input has been read in successfully, a table is produced, for example: 2 300.0 4 675.0 Under the heading is a line of 29 dashes followed by one line for each day, showing the day number and the population at the beginning of that day. Input Validation.Do not accept a number less than 2 for the starting size of the population. If the user fails to satisfy this print a line with this message "Invalid. Must be at least 2. Re-enter: " and try to read the value. Similarly, do not accept a negative number for average daily population increase, using the message "Invalid. Enter a non- negative number: " and retrying. Finally, do not accept a number less than 1 for the number of days they will multiply and use the message "Invalid. Enter 1 or more: ".
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