Corey set up his presentation for delivery to his team. The information he had to convey was critical to their job performance.
2 answers:
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Answer:
Here is the function replace_all:
def replace_all(target_string,find_string,replace_string):
result_string = replace_string.join(target_string.split(find_string))
return result_string
#if you want to see the working of this function then you can call this function using the following statements:
target_string = "In case I don't see ya, good afternoon, good evening, and good night!"
find_string = "good"
replace_string = "bad"
print(replace_all(target_string, find_string, replace_string)
Explanation:
The above program has a function called replace_all that accepts three arguments i.e target_string, a string in which to search ,find_string, a string to search for and replace_string, a string to use to replace every instance of the value of find_string. The function has the following statement:
replace_string.join(target_string.split(find_string))
split() method in the above statement is splits or breaks the target_string in to a list of strings based on find_string. Here find_string is passed to split() method as a parameter which works as a separator. For example above:
target_string = In case I don't see ya, good afternoon, good evening, and good night!
find_string = good
After using target_string.split(find_string) we get:
["In case I don't see ya, ", ' afternoon, ', ' evening, and ', ' night']
Next join() method is used to return a string concatenated with the elements of target_string.split(find_string). Here join takes the list ["In case I don't see ya, ", ' afternoon, ', ' evening, and ', ' night'] as parameter and joins elements of this list by 'bad'.
replace_string = bad
After using replace_string.join(target_string.split(find_string)) we get:
In case I don't see ya, bad afternoon, bad evening, and bad night!
The program and output is attached as a screenshot.
Answer:
Here is the C++ program:
#include <fstream> //to create, write and read a file
#include <iostream> // to use input output functions
using namespace std; //to access objects like cin cout
const int MAXNAME = 20; //MAXNAME is set to 20 as a constant
int main(){ //start of main() function
ifstream inData; //creates an object of ifstream class
inData.open("grades.txt"); //uses that object to access and opens the text file using open() method
char name[MAXNAME + 1]; // holds the names
float average; //stores the average
inData.get(name,MAXNAME+1); //Extracts names characters from the file and stores them as a c-string until MAXNAME+1 characters have been extracted
while (inData){ //iterates through the file
inData >> average; //reads averages from file using the stream extraction operator
cout << name << " has a(n) " << average << " average." << endl; //prints the names along with their averages
inData.ignore(50,'\n'); //ignores 50 characters and resumes when new line character is reached. It is used to clear characters from input buffer
inData.get(name,MAXNAME+1);} //keeps extracting names from file
return 0; }
Explanation:
The program is well explained in the comments added to each line of the code. The program uses fstream object inData to access the grades.txt file. It gets and extracts the contents of the file using get() method, reads and extracts averages from file using the stream extraction operator. Then program displays the names along with their averages from grades.txt on output screen.
The grades.txt file, program and its output is attached.
Answer:
Answer is in the provided screenshot! This was a lot of fun to make!
Explanation:
We need to create a new Array which has to be the size of amount * original - as we now that we are going to have that many elements. Then we just iterate through all the values of the new array and set them equal to each of the elements in order.
Ignore the code in my main function, this was to print to the terminal the working code - as you can see from the output at the bottom!
