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konstantin123 [22]

2 years ago

8

Implement the function couple, which takes in two lists and returns a list that contains lists with i-th elements of two sequenc

es coupled together. You can assume the lengths of two sequences are the same. Try using a list comprehension.

Computers and Technology

1 answer:

In-s [12.5K]2 years ago

7 0

Answer:

couple.py

def couple(s1,s2):

newlist = []

for i in range(len(s1)):

newlist.append([s1[i],s2[i]])

return newlist

s1=[1,2,3]

s2=[4,5,6]

print(couple(s1,s2))

enum.py

def couple(s1,s2):

newlist = []

for i in range(len(s1)):

newlist.append([s1[i],s2[i]])

return newlist

def enumerate(s,start=0):

number_Array=[ i for i in range(start,start+len(s))]

return couple(number_Array,s)

s=[6,1,'a']

print(enumerate(s))

print(enumerate('five',5))

Explanation:

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Longer speeches should be separated into the paragraphs of:

Virty [35]

Answer:

b) About 100 words or 3-4 fines in the transcription tool.

Explanation:

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2 years ago

In a system where Round Robin is used for CPU scheduling, the following is TRUE when a process cannot finish its computation dur

masha68 [24]

Answer:

B. The process will be terminated by the operating system.

Explanation:

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2 years ago

Lukas entered the date 9-17-2013 in an Excel workbook. He wants the date to appears as “Tuesday, September 17, 2013.” Instead of

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2 years ago

In this exercise you will debug the code which has been provided in the starter file. The code is intended to take two strings,

vampirchik [111]

Answer:

Here is the corrected program:

import java.util.Scanner; //to accept input from user

public class 02_14_Activity_one { //class name

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

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

System.out.println("Enter first string"); //prompts user to enter first string

String s1 = scan.nextLine(); //reads input string from user

System.out.println("Enter second string"); //prompts user to enter second string

String s2 = scan.nextLine(); //reads second input string from user

System.out.println("Enter number of letters from each word"); //enter n

int n = scan.nextInt(); //reads value of integer n from user

System.out.println(s1.substring(0,n) + s2.substring(s2.length() - n ));

} } //uses substring method to print a string made up of the first n letters of s1 and the last n letters of s2.

Explanation:

The errors were:

1.

Scanner scan = Scanner(System.in);

Here new keyword is missing to create object scan of Scanner class.

Corrected statement:

Scanner scan = new Scanner(System.in);

2.

String s1 = nextLine();

Here object scan is missing to call nextLine() method of class Scanner

Corrected statement:

String s1 = scan.nextLine();

3.

String s2 = Scanner.nextLine();

Here class is used instead of its object scan to access the method nextLine

Corrected statement:

String s2 = scan.nextLine();

4.

String n = scan.nextLine();

Here n is of type String but n is a whole number so it should be of type int. Also the method nextInt will be used to scan and accept an integer value

Corrected statement:

int n = scan.nextInt();

5.

System.out.println(s1.substring(1,n-1) + s2.substring(s1.length()-n));

This statement is also not correct

Corrected statement:

System.out.println(s1.substring(0,n) + s2.substring(s2.length() - n ));

This works as follows:

s1.substring(0,n) uses substring method to return a new string that is a substring of this s1. The substring begins at the 0th index of s1 and extends to the character at index n.

s2.substring(s2.length() - n ) uses substring method to return a new string that is a substring of this s2. The substring then uses length() method to get the length of s2 and subtracts integer n from it and thus returns the last n characters of s2.

The screenshot of program along with its output is attached.

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2 years ago