Select all that apply.

# q7 - create function readFileFirstLast() to meet the conditions below

MAVERICK [17]

Answer:

See explaination

Explanation:

def readFileFirstLast(filename):

# doc string

''' Function accept the filename and opens the fle

and reads all lines and strips new line character and

stores first and last in a string and return that string'''

#eception handle if file not found

try:

#opening the file

f = open(filename)

#reading the first line and striping the ne line

string = f.readline().strip()

#iterating until last line

for line in f:

pass

#concate the last line after strip the new line character to the string

string = string + " " + line.strip()

#return the string

return string

except:

#if file not found

return "File not found"

#taking the file name from user

filename = input("Enter a file name: ")

#printing the doc string in function

print("\ndoc_sting: \n"+ readFileFirstLast.__doc__+"\n")

#printing the returned string by calling the readFileFirstLast()

print("output string :")

print(readFileFirstLast(filename))

3 0

2 years ago

Raina remembered when she taught Amara to draw. What happened?

Serga [27]

Sisters is an autobiographical graphic novel written by Raina Telgemeier as a follow-up to her earlier graphic memoir Smile. It details a long summer road trip taken from San Francisco to Colorado by her family and explores the relationship between Raina and her younger sister, Amara.

- BRAINLIEST answerer

6 0

2 years ago

Black_prince [1.1K]

Answer:

photoshop app that purchase with a lower price 3$ per month

6 0

2 years ago

In a proper webpage, which tag holds all of a webpages visble HTML

Furkat [3]

If I remember correctly, I believe it's <body></body>

6 0

3 years ago

Read 2 more answers

Please debug the below code in Java please.

lisabon 2012 [21]

Answer:

Check the explanation

Explanation:

//Bugs are highlighted in bold text

class Invoice

Declarations

private num invoiceNumber

private string customer

private num balanceDue

private num tax

public void setInvoiceNUMBER(num number)

Declarations

num LOW_NUM = 1000

num HIGH_NUM = 9999

if number > HIGH_NUM then

invoiceNumber = 0

else

if number < LOW_NUM then

invoiceNumber = 0

else

invoiceNumber = num

endif

return

public void setCustomer(string cust)

customer = cust

return

public void setBalanceDue(num balance)

//Bug balanceDue is Invoice class varible

//but it is assigned to balance .it gives error

balance = balanceDue

setTax()

return

private void setTax()

Declarations

//Bug TAX_RATE is declared as string

//but assigned a double value

string TAX_RATE = 0.07

tax = tax * TAX_RATE

return

public void displayInvoice()

output "Invoice #", invoiceNumber

output "Customer: ", customer

output "Due: ", balanceDue

output "Tax: ", taxDue

//Bug

//Invoice class has no variable called balance .it should be balanceDue

output "Total ", balance + taxDue

return

endClass

start

Declarations

Invoice inv1

Invoice inv2

Invoice inv3

//Warning

//it gives warning object taken but not initilaized

Invoice inv4

inv1.setInvoiceNumber(1244)

inv1.setCustomer("Brown")

inv1.setBalanceDue(1000.00)

inv1.displayInvoice()

inv2.setInvoiceNumber(77777)

inv2.setCustomer("Jenkins")

inv2.setBalanceDue(2000.00)

inv2.displayInvoice()

inv3.setInvoiceNumber(888)

inv3.setCustomer("Russell")

inv3.setBalanceDue(3000.00)

//Bug

//setTax method of Invioce doesnot take any arguments

inv3.setTax(210.00)

inv3.displayInvoice()

stop

//Here is the complete program in c++

//Run the program using Microsoft visual studio 2010 vc++

#include<iostream>

#include<iomanip>

#include<string>

using namespace std;

class Invoice

{

//class varibales

private:

int invoiceNumber;

string customer;

double balanceDue;

double tax;

//class methods

public:

void setCustomer(string cus);

void displayInvoice();

void setBalanceDue(double balance);

void setInvoiceNUMBER(int number);

void setTax();

};

void Invoice::displayInvoice()

{

cout<< setw(10)<<"Invoice #"<<setw(5)<<invoiceNumber<<endl;

cout<<setw(10)<<"Customer: "<<setw(5)<<customer<<endl;

cout<<setw(10)<<"Due: "<<setw(5)<<balanceDue<<endl;

cout<<setw(10)<<"Tax: "<<setw(5)<<tax<<endl;

//Bug

//Invoice class has no variable called balance .it should be balanceDue

cout<< "Total "<< balanceDue + tax<<endl;

}

void Invoice::setCustomer(string cust)

{

customer = cust;

}

void Invoice::setInvoiceNUMBER(int number)

{

const int LOW_NUM = 1000;

const int HIGH_NUM = 9999;

if( number > HIGH_NUM )

invoiceNumber = 0;

else

if (number < LOW_NUM )

invoiceNumber = 0;

else

invoiceNumber = number;

}

void Invoice::setBalanceDue(double balance)

{

balanceDue = balance;

}

void Invoice::setTax()

{

double TAX_RATE = 0.07;

tax = balanceDue * TAX_RATE;

}

int main()

{

Invoice inv1;

Invoice inv2;

Invoice inv3;

inv1.setInvoiceNUMBER(1244);

inv1.setCustomer("Brown");

inv1.setBalanceDue(1000.00);

inv1.setTax();

inv1.displayInvoice();

inv2.setInvoiceNUMBER(77777);

inv2.setCustomer("Jenkins");

inv2.setBalanceDue(2000.00);

inv2.setTax();

inv2.displayInvoice();

inv3.setInvoiceNUMBER(888);

inv3.setCustomer("Russell");

inv3.setBalanceDue(3000.00);

inv3.setTax();

inv3.displayInvoice();

system("pause");

return 0;

}

Kindly check the output image below.

5 0

2 years ago