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Eddi Din [679]
3 years ago
14

Write a function named lineStats. The function lineStats takes three parameters: 1.inFile, a string that is the name of an input

file 2.outFile, a string that is the name of an output file 3.threshold, an int that is the length above which a word is considered significant The function lineStats should read and analyze each line of the input file and write two statistics, separated by a space, about the line to a corresponding line of the output file. The two statistics for each line are: 1.the number of words 2.the number of distinct significant words (that is, words longer than threshold) Hint: if a word occurs more than once on a line it counts as a single word. Upper and lower case characters are considered the same ('Word' and 'word' are the same word). The input file contains only upper and lower case letters and white space. For example, if the file fish.txt contains the following lines: Yes some are red and some are blueSome are old and some are newThen the function call: lineStats('fish.txt', 'fishOut.txt', 3)should produce an output file fishOut.txt with the following content: 8 27 1
Computers and Technology
1 answer:
luda_lava [24]3 years ago
5 0

Answer:

See explaination

Explanation:

def lineStats(inFile,outFile,threshold):

# opening the input file

f=open(inFile)

# opening the file for writing output

f2=open(outFile,'w')

# reading every line in the file

for line in f:

# removing the space

line=line.strip()

# splitting the line by space

words=line.split()

# writing the number of words to the outfile file

f2.write(str(len(words))+' ')

# counter variable

count=0

# empty list

t=[]

# for every word in the words list

for word in words:

# changing the word to lower case

word=word.lower()

# checking for the length of the word greater than threshold

if len(word) > threshold:

# if the word is not in the list 't'

if word not in t:

# appending the word into the list 't'

t.append(word)

# writing the number of threshold words to the output file

f2.write(str(len(t))+'\n')

# closing the files

f.close()

f2.close()

# testing

if __name__=='__main__':

lineStats('fish.txt','fishOut.txt',3)

CONTENTS OF fish.txt:

Yes some are red and some are blue

Some are old and some are new

CONTENTS OF fishOut.txt:

8 2

7 1

CLASS CODE:

PYTHON CODE(state.py):

class State:

'''

State class is used to represent a state in a country.

'''

# constructor

def __init__(self,name):

self.name=name

self.universities=[]

# method to add university to the state

def addUniversity(self,university):

self.universities.append(university)

# method to check university is in the state or not

def is_home_of(self,university):

if university in self.universities:

return True

else:

return False

PYTHON CODE (state_test.py):

from state import State

newjersey=State('New Jersey')

newjersey.addUniversity('NJIT')

newjersey.addUniversity('Princeton')

print('New Jersey is the home of MIT :',newjersey.is_home_of('MIT'))

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Answer:

False.

Explanation:

<em>This is pertaining to LAN or Local Area Network. LAN is a type of network that is consist of one or several networks located in one geographical area or location. Wherein WAN or Wide Area Network is a type of network that is located in different or several geographical area. The basic example of WAN is the Internet. Networks of computers are connected even though they are not wired physically.</em>

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From the standpoint of the governing bodies of .com, why is it important that owners of individual domains maintain authoritativ
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Answer:

Explanation:

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4 0
4 years ago
Write a simple command-line calculator with an exception handler that deals with nonnumeric operands. Your program should displa
alexira [117]

Answer:

Here is the JAVA program:

import java.util.InputMismatchException;  // exception that is thrown when input does not match the expected type

import java.util.Scanner;  //used to take input from user

public class Main {

public static void main(String[] args) { //start of main function

   Scanner input = new Scanner(System.in);  // creates Scanner class object

   double num1=0.0;  // double type operand 1

   double num2=0.0;  // double type operand 2

   System.out.println("Please enter 2 operands");  //prompts user to enter two operands

   try {  //defines a chunk of code to be tested for non numeric operand error

      num1 = input.nextDouble();  //reads operand 1 value

      num2 = input.nextDouble(); //reads operand 2 value

         

   } catch (InputMismatchException  ex) {  //code chunk executed when exception occurs in program

     System.out.println("wrong operand type, re-input " + input.next() + " to finish the calculation.");  //displays wrong operand type if user enters non numeric operands

     System.exit(1);  }//exits the program    

   System.out.print("Enter an operator (+, -, *, /): ");  //prompts user to enter an operator

       char operator = input.next().charAt(0);  //reads the input operator

       double result;  // to store the result of the operation

       switch(operator)         {  //decided operation on basis of input operator

           case '+':  // if user enters + operator

               result = num1 + num2;  //adds two operands

               break;

            case '-':  // if user enters - operator

               result = num1 - num2;  //subtracts two operands

               break;  

           case '*':  // if user enters * operator

               result = num1 * num2;  //multiplies two operands

               break;  

           case '/':  // if user enters / operator

               result = num1 / num2;  //divided two operands

               break;  

           default:  //if user enters wrong operator

               System.out.printf("wrong operator!");  //displays wrong operator

               return;          }  

       System.out.printf("%.1f %c %.1f = %.1f", num1, operator, num2, result); }} //displays the result of the operation

Explanation:

The program is well explained in the comments mentioned with each line of program. The user is prompted to enter the values of two operands num1 and num2. The try block is used to test for non numeric operand error and throws InputMismatchException when any of the input operands (num1 or num2) is non numeric. InputMismatchException is thrown by Scanner class. This informs that the token retrieved (which is the num1 or num2 operand) does not match the expected type (which is type numeric). When this error occurs in the program, catch block is used to execute a code chunk, which is the print statement in this program. The print statement informs the user of the wrong operand type before exiting. It also asks the user to re-input the number to finish the calculation and the wrong input type is also mentioned in the output that is to be re-input.

If you want the program to take the input again from user after throwing this exception then you can alter the above program by using two try catch blocks separately for the two operands:

//for operand 1 i.e. num1

System.out.println("Please enter operand 1: ");

   try {

      num1 = input.nextDouble();        

   } catch (InputMismatchException  ex) {

     System.out.println("wrong operand type, re-input " + input.next() + " to finish the calculation.");

      num1 = input.nextDouble();  }  //reads input of operand 1 again from user

//for operand 2 i.e. num2

          System.out.println("Please enter operand 2: ");  

      try {

      num2 = input.nextDouble();  

   } catch (InputMismatchException  ex) {

     System.out.println("wrong operand type, re-input " + input.next() + " to finish the calculation.");

     num2 = input.nextDouble();  } //reads input of operand 1 again from user

The program and its output is attached.

8 0
4 years ago
A corporation needs an operating system that allows the various teams in its office to network and collaborate on projects. Whic
Nikolay [14]
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I would not recommend MSDOS in this day and age.
7 0
3 years ago
Read 2 more answers
What should the shutter speed be on the camera?<br> A. 1/30<br> B. 1/50<br> C. 1/60<br> D. 1/15
11Alexandr11 [23.1K]

Answer:

C. 1/60

Explanation:

Shutter speed is most commonly measured in fractions of a second, like 1/20 seconds or 1/10 seconds. Some high-end cameras offer shutter speeds as fast as 1/80 seconds. But, shutter speeds can extend to much longer times, generally up to 30 seconds on most cameras.

But in this case C. 1/60 is the answer.

6 0
3 years ago
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