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Savatey [412]
3 years ago
7

Write a Python function called readlinesmton that accepts the name of the file (i.e. filename), starting line number (i.e. m) an

d ending line number (i.e. n) as a parameter. The function then returns the contents from line number m to n (m < n). If m < 1 then start from line 1. Similarly, if n > number of lines the file, then stop at the last line in the file.
Computers and Technology
1 answer:
KatRina [158]3 years ago
5 0

Answer:

Following are the code to the given question:

def readlinesmton(filename, m ,n):#defining a method that holds three parameters

   f=open(filename, 'r')#defining f variable that holds open method

   l=f.readlines()#defining a variable l that readers input file

   e=len(l)#defining e variable lengths of the file  

   s=m#defining s variable that holds parameter value

   if(m<1):#Using if block that checks m is less than 1

       s=1#use s variable that holds a value that is 1

   if(n < e):#defining n variable that checks n less than e

       e=n #using e that holds n value

   for i in range(s-1, e, 1):#defining for loop that calculates lines  

       print(l[i])#prints lines

readlinesmton("input.txt", -1, 70)#Calling a method

Output:

Please find the ouput in the attached file.

Explanation:

In this code, a method "readlinesmton" is declared that takes three-parameter and inside the method, it uses the open method to open the file, read method to read the file, and len to calculate the length of the file and use the conditional statement to check the file inputs and use the loop to prints its values.    

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3 years ago
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Answer:

There is no need to make an algorithm for this simple problem. Just add the two numbers by storing in two different variables as follows:

Let a,b be two numbers.

c=a+b;

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But, if you want to find the sum of more numbers, you can use any loop like for, while or do-while as follows:

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printf(“Enter number”);

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sum=sum+a;

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Explanation:

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5 0
3 years ago
Create a new Java project/class called ChangeUp. Create an empty int array of size 6. Create a method called populateArray that
-Dominant- [34]
<h2>Answer:</h2><h2></h2>

//import the Random and Scanner classes

import java.util.Random;

import java.util.Scanner;

//Begin class definition

public class ChangeUp {

   

   //Begin the main method

  public static void main(String args[]) {

       //Initialize the empty array of 6 elements

      int [] numbers = new int [6];

       

       //Call to the populateArray method

       populateArray(numbers);

       

       

   } //End of main method

   

   

   //Method to populate the array and print out the populated array

   //Parameter arr is the array to be populated

   public static void populateArray(int [] arr){

       

       //Create object of the Random class to generate the random index

       Random rand = new Random();

       

       //Create object of the Scanner class to read user's inputs

       Scanner input = new Scanner(System.in);

       

       //Initialize a counter variable to control the while loop

       int i = 0;

       

       //Begin the while loop. This loop runs as many times as the number of elements in the array - 6 in this case.

       while(i < arr.length){

           

           //generate random number using the Random object (rand) created above, and store in an int variable (randomNumber)

           int randomNumber = rand.nextInt(6);

       

           //(Optional) Print out a line for formatting purposes

           System.out.println();

           

           //prompt user to enter a value

           System.out.println("Enter a value " + (i + 1));

           

           //Receive the user input using the Scanner object(input) created earlier.

           //Store input in an int variable (inputNumber)

           int inputNumber = input.nextInt();

           

           

           //Store the value entered by the user in the array at the index specified by the random number

           arr[randomNumber] = inputNumber;

           

           

           //increment the counter by 1

          i++;

           

       }

       

       

       //(Optional) Print out a line for formatting purposes

       System.out.println();

       

       //(Optional) Print out a description text

      System.out.println("The populated array is : ");

       

       //Print out the array content using enhanced for loop

       //separating each element by a space

       for(int x: arr){

           System.out.print(x + " ");

       }

   

       

  } //End of populateArray method

   

   

   

} //End of class definition

<h2>Explanation:</h2>

The code above is written in Java. It contains comments explaining the lines of the code.

This source code together with a sample output has been attached to this response.

Download java
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> java </span>
0d7446bcb6b48f78b8adbfa3da89789c.png
3 0
3 years ago
You have been tracking your exercise routine, which involves running, lifting weights, yoga, and stretching. You want to see wha
Harrizon [31]

The best chart to see the data distribution for the exercise routine would be a pie chart. Using Microsoft Excel, you can input each data point you have for all you exercise routine category, and generate a pie chart which will show you the percentage for each category in comparison to the total.


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3 years ago
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What is one difference between the Simple Gear Train with Same Size Gears and Simple Gear Train with Different Size Gears?
polet [3.4K]

Answer:

One difference between a Simple Gear train with Same Size Gears and Simple Gear Train with Different Size Gears is the that the number of rotations of both shafts in the Simple Gear Train with Same Size Gears is the same the number of rotations of both shafts in the simple Gear Train with Different Size Gears are different

Explanation:

A simple gear train is one in which each shaft has only one shaft, and the motion of one shaft in transmitted to the other when the gears are in contact

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