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rpose: To practice write a list of Pecoras toa tabular text file egree of Difficulty: Moderate. n this question, your program will define a function named fnWriteState(), with two input parameter · A list of records (the list of state of all days) · A string of a path name of the output file nd there is no return values of this function. n this function, your program will write the list of state to a tabular file. It is notable that the output hould locate in the same folder of the a6.py file. In the state output file, the first line is names of the tir , I and R. And lines from the second to the last line of the output file contain every day's state of S, I a in the list of state, and also with the item of time (indicates the index of the day). Each record in the f state will be written in one line. And the items of each line will be separated by commas. Basically, ormat of the state output file is the same as the state input file. But in the state output file, both the st f being read in from the state input file, and calculated by the simulation function in Q4 are all include he first few lines of the state output file look like this: ime(day),S,I,R , 9999, 1,0 , 9998.840016, 1.0885554285714287, 0.07142857142857142 9998.66586733474, 1.1849501346490998, 0.1491825306122449

rpose: To practice write a list of Pecoras toa tabular text file egree of Difficulty: Moderate. n this question, your program will define a function named fnWriteState(), with two input parameter · A list of records (the list of state of all days) · A string of a path name of the output file nd there is no return values of this function. n this function, your program will write the list of state to a tabular file. It is notable that the output hould locate in the same folder of the a6.py file. In the state output file, the first line is names of the tir , I and R. And lines from the second to the last line of the output file contain every day's state of S, I a in the list of state, and also with the item of time (indicates the index of the day). Each record in the f state will be written in one line. And the items of each line will be separated by commas. Basically, ormat of the state output file is the same as the state input file. But in the state output file, both the st f being read in from the state input file, and calculated by the simulation function in Q4 are all include he first few lines of the state output file look like this: ime(day),S,I,R , 9999, 1,0 , 9998.840016, 1.0885554285714287, 0.07142857142857142 9998.66586733474, 1.1849501346490998, 0.1491825306122449

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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Purpose: To practice write a list of records to a tabular text file Degree of Difficulty: Moderate. In this question, your program will define a function named fnWriteState(), with two input parameters: · A list of records (the list of state of all days) · A string of a path name of the output file And there is no return values of this function. In this function, your program will write the list of state to a tabular file. It is notable that the output file should locate in the same folder of the a6.py file. In the state output file, the first line is names of the time, S, I and R. And lines from the second to the last line of the output file contain every day's state of S, I and R in the list of state, and also with the item of time (indicates the index of the day). Each record in the list of state will be written in one line. And the items of each line will be separated by commas. Basically, the format of the state output file is the same as the state input file. But in the state output file, both the state of being read in from the state input file, and calculated by the simulation function in Q4 are all included. The first few lines of the state output file look like this: time(day),S,I,R 0, 9999, 1,0 1, 9998.840016, 1.0885554285714287, 0.07142857142857142 2, 9998.66586733474, 1.1849501346490998, 0.1491825306122449 Finally, do not forget to call the method of close () to close a file object.
Transcribed Image Text:Purpose: To practice write a list of records to a tabular text file Degree of Difficulty: Moderate. In this question, your program will define a function named fnWriteState(), with two input parameters: · A list of records (the list of state of all days) · A string of a path name of the output file And there is no return values of this function. In this function, your program will write the list of state to a tabular file. It is notable that the output file should locate in the same folder of the a6.py file. In the state output file, the first line is names of the time, S, I and R. And lines from the second to the last line of the output file contain every day's state of S, I and R in the list of state, and also with the item of time (indicates the index of the day). Each record in the list of state will be written in one line. And the items of each line will be separated by commas. Basically, the format of the state output file is the same as the state input file. But in the state output file, both the state of being read in from the state input file, and calculated by the simulation function in Q4 are all included. The first few lines of the state output file look like this: time(day),S,I,R 0, 9999, 1,0 1, 9998.840016, 1.0885554285714287, 0.07142857142857142 2, 9998.66586733474, 1.1849501346490998, 0.1491825306122449 Finally, do not forget to call the method of close () to close a file object.
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