Python code: numStations = 3 passengersLeft = {i: [0, 0, 0] for i in range(0, numStations + 1)} explain this line of code
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Python code:
numStations = 3
passengersLeft = {i: [0, 0, 0] for i in range(0, numStations + 1)}
explain this line of code
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- int machineCompare1(struct machine* mac1, struct machine* mac2){ struct mac1; struct mac2; char make1[21], make2[21]; char model1[51], model2[21]; if((lap1 -> make1 == lap2 -> make2) && (lap1 -> model1 == lap2 -> model2)) return 0; else return 1;} have to create function to compare make and model of 2 machines - it's using structures - not sure if this is correct/ on the right track?Python numpy library functions to perform basic matrix operations are as follows.• C=numpy.add(A, B): Add two matrices A and B and store result in C.• C=numpy.subtract(A, B): Subtract matrix B from matrix A and store result in C.• C=numpy.divide(A, B): Divide matrix A by matrix B and store result in C.• C=numpy.multiply(A, B): Multiply matrix A by matrix B and store result in C.• C=numpy.sum(A): Form the sum of elements of matrix A and store result in c ∈ R.• C=numpy.sum(A, axis = 0): Form the column wise summation of matrix A andstore result in vector C.• C=numpy.sum(A, axis = 1): Form the row wise summation of matrix A, storeresult in vector C.Python code to show the implementation of these methods in a sample matrix.Q1 function myFunc() { let a = 10; if (true) { Q3 } } let a = 5; console.log(a); Q4 console.log(a); Q2 const square = num => num * num; console.log(square(3) + 5); myFunc(); let x = 30; let y "200"; console.log(x+y); const nums = [10, 20, 8, 17]; nums.filter(e=> e > 10); console.log(nums); Q5 const nums = [30, 35, 42, 20, 15]; console.log(nums.every (num => num > 20)); January 15
- C++ ProgrammingActivity: Deque Linked List Explain the flow of the main code not necessarily every line, as long as you explain what the important parts of the code do. The code is already correct, just explain the flow. SEE ATTACHED PHOTO FOR THE PROBLEM INSTRUCTIONS int main(int argc, char** argv) { DLLDeque* deque = new DLLDeque(); int test; cin >> test; //Declarations int tempnum; int num; int sum; int count; bool addfirst = false; bool addlast = false; bool remfirst = false; bool remlast = false; switch (test) { case 0: //Implementation do{ cin >> num; if(num == 0){ break; } //Reset tempnum = num; count = 0; sum = 0; addfirst = false; addlast = false; remfirst = false; remlast =…C CodeApproved Libraries:<string.h> *not allowed in some questions<math.h><stdlib.h><time.h> (for srand(time(0)) only)Data Structure Using C++ (Queue) C++ code (NOT JAVA C++ JUST) C++ PROGRAMMING LANGUAGE PLEASE :: We can use a queue to simulate the flow of customers through a check-out line in a store. In this simulation we will have the following details: one check-out line the expected service time for each customer is one minute (However, they may have to wait in line before being serviced) between zero and two customers join the line every minute We can simulate the flow of customers through the line during a time period n minutes long using the following algorithm: Initialize the queue to empty. for ( minute = 0 ; minute < n ; ++minute ) { if the queue is not empty, then remove the customer at the front of the queue. Compute a random number k between 0 and 3. If k is 1, then add one customer to the line. If k is 2, then add two customers to the line. Otherwise (if k is 0 or 3), do not add any customers to the line. } In addition, the algorithm will keep track…
- #include<iostream>#include<math.h>using namespace std;class TotalResistance{double series_res,parallel_res,sp_res;public:TotalResistance(){series_res=parallel_res=sp_res=0;}void seriesResistance(double resistance[],int n);void parallelResistance(double resistance[],int n);void spResistance(double resistance[],int n);};void TotalResistance::seriesResistance(double resistance[],int n){for(int i=0;i<n;i++)series_res += resistance[i];cout<<"Total Resistance in series is: "<<series_res<<endl;}void TotalResistance::parallelResistance(double resistance[],int n){double temp=0;for(int i=0;i<n;i++)temp += (1/resistance[i]);parallel_res = 1/temp;cout<<"Total Resistance in parallel is: "<<parallel_res<<endl;}void TotalResistance::spResistance(double resistance[],int n){for(int i=0;i<n;i++)series_res += resistance[i];double temp=0;for(int i=0;i<n;i++)temp += (1/resistance[i]);parallel_res = 1/temp;cout<<"Total Resistance in series…Complete my C program: #define ROW 6#define COL6 void display(int table[][COL]){ int row, col; for(row=0;row<ROW;row++){ for(col=0;col<COL;col++) printf("%3d", table[row][col]); printf("\n"); } } (Continue code)write in c language 1. Given the following array declaration: int A [3 ][2 ]={{13, -23}, {3, 80} ,{91,55} }; declare a pointer that points to A[2][0]? Answer:
- In Python, grades_dict = {'Wally': [87,96,70], 'Eva': [100,87,90], 'Sam': [94,77,90], 'Katie': [100,81,82], 'Bob': [83, 65, 85]} write your own describe function that produces thesame 8 statistical results, for each one of the columns, that the built-in describe() function does.Note 1: Use the sample standard deviation formula (that is, the denominator is: N-1)Note 2: Your algorithm should work for any number of columns not just for 5Note 3: You can use the np.percentile() for the 25% and 75% percentile as well as the sort()built-in functionsC++ Programming, Arrays Lights The park is illuminated by n (1 < n < 100) lights. Each of them shines all night or not. Of course, which lights were on the first night and which were not. Every other night the condition of the lamps shall be determined by the following rules: the lamp will not illuminate if both of its neighbors were lit last night; the lamp shall illuminate if one of its neighbors was illuminated last night and the other was not; if neither of the first two rules applies to the lamp, it will illuminate when the night is even and will not illuminate when the night is odd. Create a program to determine which lights are on and which will not be lit when k (1 < k < 100) nights have elapsed, and to find which night the most lights were lit and which the least. If there are several identical nights with the most or least lights lit, the night with the lower number must be indicated. The first line of the original data file contains two integers: the number of…C++ A matrix is a rectangular array of numbers that is arranged in a two-dimensional table. Matrices have numerous applications in computer systems. Matrix structures are examined in computer memory, graphics, and cryptography. The Hill cipher, for example, makes use of matrix inversions to encrypt and decrypt data. The intent of this problem is to develop a C++ program that computes and displays the inversion of a 2 x 2 matrix. A matrix is said to have the dimensions m x n if it has m rows and n columns. A square matrix has the same number of rows as columns, and is therefore said to have m x m dimensions. Matrix M shown below is an example of a 2 x 2 matrix. The inverse of a square matrix, M-1, is defined by the equation M(M-1) = I, where I is called the identity matrix. I is a square matrix that is all zeros except for ones along the main diagonal from the upper left corner to the lower right corner. I for a 2 x 2 matrix is: Multiplying a square matrix by its inverse will always…
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