Search & Filtering
1. Finding Letters
by CodeChum Admin
Instructions:
- Create two variables and assign them to an input() function. The first variable shall accept a single letter and the second variable shall store the inputted string.
- Using loops, count the number of times that the single letter appears on the inputted string, and when it appears at least twice in the string, print "Cody is really awesome"; else, print "Cody rocks".
- Tip: to make your code more efficient, use the break keyword to terminate the loop whenever the count of appearance of the single letter has already reached 2.
Input
The first line contains a single-letter string.
The second line contains a string.
e
CodeChum is awesomeOutput
A line containing a string.
Cody is really awesomeFor this program, I want an exact output with all test cases passed
M, N = input('Enter M, N: ').split()
M, N = int(M), int(N)
matrix = []
for _ in range(M):
row = [int(x) for x in input().split()]
matrix.append(row)
K = int(input('Enter K: '))
values = matrix[0][:-1] + [x[-1] for x in matrix][:-1] + matrix[-1][::-1][:-1] + [x[0] for x in matrix][::-1][:-1]
values = values[-K:] + values[:-K]
output = matrix
idxs = [(0, j) for j in range(N)][:-1] + [(i, N - 1) for i in range(M)][:-1] + [(M - 1, j) for j in range(N)][::-1][:-1] + [(i, 0) for i in range(M)][::-1][:-1]
idx = 0
for i, j in idxs:
output[i][j] = values[idx]
idx += 1
for i in output:
for j in i:
print(j, end=' ')
print()
Sample Input 1
4 4
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
3
Sample Output 1
13 9 5 1
14 7 11 2
15 6 10 3
16 12 8 4
Sample Input 2
3 4
1 2 3 4
10 11 12 5
9 8 7 6
2
Sample Output 2
9 10 1 2
8 11 12 3
7 6 5 4
For this program, I want an exact output with all test cases passed and it should not have any brackets.
def rotate1(matrix, n):
a = len(matrix)
n = int(a)
b = int(n/2)
for row in range(0, b):
for col in range(row, (n- row - 1)):
temp = matrix[row][col]
matrix[row][col] = matrix[n - 1 - col][row]
matrix[n - 1 - col][row] = matrix[n - 1 - row][n- 1 - col]
matrix[n - 1 - row][n - 1 - col] = matrix[col][n - 1 - row]
matrix[col][n - 1 - row] = temp
return matrix
matrix = [[1, 2, 3, 4],[5, 6, 7, 8],[9, 10, 11, 12],[13, 14, 15, 16]]
n = len(matrix)
array = rotate1(matrix, n)
for col in array:
print(col, sep=" ")
Sample Input 1
4 4
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
3
Sample Output 1
13 9 5 1
14 7 11 2
15 6 10 3
16 12 8 4
Sample Input 2
3 4
1 2 3 4
10 11 12 5
9 8 7 6
2
Sample Output 2
9 10 1 2
8 11 12 3
7 6 5 4
Build a GPA calculator that inputs grades of 3 different subjects along with the credit hours
from the user and displays the user’s GPA. The input grades and their corresponding grading
points are given below.Grade Points
A 4.0
A- 3.67
B+ 3.33
B 3.0
B- 2.67
C+ 2.33
C 2.0
C- 1.67
D+ 1.33
D 1.0
F 0
For this program, the output should not have any brackets
M, N = input().split()
M, N = int(M), int(N)
matrix = []
for _ in range(M):
row = [int(x) for x in input().split()]
matrix.append(row)
K = int(input())
values = []
k = 0
l = 0
while (((N - k) > 0) and ((M - l) > 0)) and ((N - k)*(M-l)) > K:
for i in range(k,N):
values.append(matrix[k][i])
for j in range(l+1,M):
values.append(matrix[j][N-1])
for i in range(N-2,k-1,-1):
values.append(matrix[M-1][i])
for j in range(M-2,l,-1):
values.append(matrix[j][k])
values = values[-K:] + values[:-K]
c = 0
for i in range(k,N):
matrix[k][i] = values[c]
c += 1
for j in range(l+1,M):
matrix[j][N-1] = values[c]
c += 1
for i in range(N-2,k-1,-1):
matrix[M-1][i] = values[c]
c += 1
for j in range(M-2,l,-1):
matrix[j][k] = values[c]
c += 1
values = []
k += 1
l += 1
M -= 1
N -= 1
for i in matrix:
print(i)Instructions: You should submit your answer to this question as a Python code
with .py extension to the corresponding question in Google Classroom.
Attention: Make sure to write your name, surname, and student ID number.
Question:
(Average speed) Assume a runner runs 14 kilometers in 45 minutes and 30 sec-
onds. Write a program that displays the average speed in miles per hour. (Note that
1 mile is 1.6 kilometers.)
Instructions: You should submit your answer to this question as a Python code
with .py extension to the corresponding question in Google Classroom.
Attention: Make sure to write your name, surname, and student ID number.
Question:
(Physics: find runway length) Given an airplane's acceleration a and take-of
speed v, you can compute the minimum runway length needed for an airplane te
take off using the following formula:
length
2a
Write a program that prompts the user to enter v in meters/second (m/s) and th
acceleration a in meters/second squared (m/s), and displays the minimum runway
length. Here is a sample run:
Enter speed and acceleration: 60, 3.5 Enter
The minimum runway length for this airplane is 514.286 meters
Instructions: You should submit your answer to this question as a Python code
with .py extension to the corresponding question in Google Classroom.
Attention: Make sure to write your name, surname, and student ID number.
Question:
(Physics: find runway length) Given an airplane's acceleration a and take-of
speed v, you can compute the minimum runway length needed for an airplane te
take off using the following formula:
length
2a
Write a program that prompts the user to enter v in meters/second (m/s) and th
acceleration a in meters/second squared (m/s), and displays the minimum runway
length. Here is a sample run:
Enter speed and acceleration: 60, 3.5 Enter
The minimum runway length for this airplane is 514.286 meters
Instructions: You should submit your answer to this question as a Python code
with .py extension to the corresponding question in Google Classroom.
Attention: Make sure to write your name, surname, and student ID number.
Question:
(Geometry: area of a pentagon) Write a program that prompts the user to enter the
length from the center of a pentagon to a vertex and computes the area of the pen-
tagon, as shown in the following figure.
3V3
The formula for computing the area of a pentagon is Area where s is
the length of a side. The side can be computed using the formula s = 2r sin ,
where r is the length from the center of a pentagon to a vertex. Here is a sample
run:
Enter the length from the center to a vertex: 5.5 ter
The area of the pentagon is 108.61
Write a program in python to print respective month of a year.
