Skip to main content

sum of powers

Nov 19, 2022CodeCatch
Loading...

More Python Posts

hex to rgb

Nov 19, 2022CodeCatch

1 like • 3 views

def hex_to_rgb(hex):
return tuple(int(hex[i:i+2], 16) for i in (0, 2, 4))
hex_to_rgb('FFA501') # (255, 165, 1)

LeetCode Flood Fill

Oct 15, 2022CodeCatch

0 likes • 0 views

class Solution(object):
def floodFill(self, image, sr, sc, newColor):
R, C = len(image), len(image[0])
color = image[sr][sc]
if color == newColor: return image
def dfs(r, c):
if image[r][c] == color:
image[r][c] = newColor
if r >= 1: dfs(r-1, c)
if r+1 < R: dfs(r+1, c)
if c >= 1: dfs(r, c-1)
if c+1 < C: dfs(r, c+1)
dfs(sr, sc)
return image

Bubble sort

Nov 19, 2022CodeCatch

0 likes • 3 views

# Python program for implementation of Bubble Sort
def bubbleSort(arr):
n = len(arr)
# Traverse through all array elements
for i in range(n-1):
# range(n) also work but outer loop will repeat one time more than needed.
# Last i elements are already in place
for j in range(0, n-i-1):
# traverse the array from 0 to n-i-1
# Swap if the element found is greater
# than the next element
if arr[j] > arr[j+1] :
arr[j], arr[j+1] = arr[j+1], arr[j]
# Driver code to test above
arr = [64, 34, 25, 12, 22, 11, 90]
bubbleSort(arr)
print ("Sorted array is:")
for i in range(len(arr)):
print ("%d" %arr[i]),

Multiply Two Matrices

May 31, 2023CodeCatch

0 likes • 0 views

# Function to multiply two matrices
def multiply_matrices(matrix1, matrix2):
# Check if the matrices can be multiplied
if len(matrix1[0]) != len(matrix2):
print("Error: The number of columns in the first matrix must be equal to the number of rows in the second matrix.")
return None
# Create the result matrix filled with zeros
result = [[0 for _ in range(len(matrix2[0]))] for _ in range(len(matrix1))]
# Perform matrix multiplication
for i in range(len(matrix1)):
for j in range(len(matrix2[0])):
for k in range(len(matrix2)):
result[i][j] += matrix1[i][k] * matrix2[k][j]
return result
# Example matrices
matrix1 = [[1, 2, 3],
[4, 5, 6],
[7, 8, 9]]
matrix2 = [[10, 11],
[12, 13],
[14, 15]]
# Multiply the matrices
result_matrix = multiply_matrices(matrix1, matrix2)
# Display the result
if result_matrix is not None:
print("Result:")
for row in result_matrix:
print(row)

Goobla Academy Flask API

Nov 18, 2022AustinLeath

0 likes • 0 views

import os, json, boto3, requests
from flask import Flask, request, jsonify
from flask_cors import CORS, cross_origin
from random import shuffle
app = Flask(__name__)
cors = CORS(app)
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
app.url_map.strict_slashes = False
SECRET_KEY = os.environ.get("SECRET_KEY")
@app.route("/teks")
def teks_request():
teks_file = open("teks.json", "r")
data = json.load(teks_file)
return jsonify(data)
@app.route("/teks/find/113.41.<int:teks_id>.<string:section_id>")
def teks_find_request(teks_id, section_id):
teks_file = open("teks.json", "r")
data = json.load(teks_file)
for item in data:
if item["id"] == teks_id:
for child in item["children"]:
if child["id"] == section_id:
return {"tek": item, "content": child["content"]}
return jsonify(
[
f"Something went wrong. TEKS section id of {section_id} cannot be found within TEKS section {teks_id}."
]
)
@app.route("/lessonplan/read/<id>")
def read_lesson_plan(id):
lesson_table = dynamodb.Table("Lesson_Plans")
items = lesson_table.scan()['Items']
for lesson in items:
if (lesson["uuid"] == id):
return jsonify(lesson)
return {"error": "id does not exist", "section": id}
@app.route("/teks/<int:teks_id>")
def teks_id_request(teks_id):
teks_file = open("teks.json", "r")
data = json.load(teks_file)
for item in data:
if item["id"] == teks_id:
return jsonify(item)
return jsonify([f"Something went wrong. TEKS id of {teks_id} cannot be found."])
@app.route("/assessment/write", methods=["GET", "POST"])
def assessment_write():
assessment_json = request.json
assessment_data = dict(assessment_json)
assessment_table = dynamodb.Table("Assessments")
assessment_table.put_item(Item=assessment_data)
if assessment_data == get_assessment(assessment_data["id"]):
return "Success"
else:
return "Failure"
@app.route("/students/read/<id>")
def students_read(id):
return jsonify(get_students(id))
@app.route("/students/read")
def all_students_read():
student_table = dynamodb.Table("Students")
items = student_table.scan()['Items']
return jsonify(items)
@app.route("/assessment/read/<id>")
def assessment_read(id):
return jsonify(get_assessment(id))
@app.route("/assessment/submit/<id>", methods=["POST"])
def submit_assessment(id):
assessments_table = dynamodb.Table("Assessments")
assessment = assessments_table.get_item(Key={"id": id})
if not assessment.get("Item"):
return {"error": "id does not exist", "section": id}
responses = {
question["id"]: question["response"]
for question in request.json.get("questions")
}
correct_answers = 0
for response in responses:
# print(
# (
# responses[response],
# find_question(assessment.get("Item").get("questions"), response).get(
# "correctAnswer"
# ),
# )
# )
if responses[response] == find_question(
assessment.get("Item").get("questions"), response
).get("correctAnswer"):
correct_answers += 1
score = correct_answers / len(request.json.get("questions"))
users_table = dynamodb.Table("Students")
users_table.update_item(
Key={"uuid": request.json.get("student_id")},
UpdateExpression="SET completedAssessments = list_append(completedAssessments, :i)",
ExpressionAttributeValues={
":i": [
{
"id": id,
"score": round(score * 100),
}
]
},
)
message = None
if round(score * 100) > 70:
message = f"Congratulations! You passed your assessment with a {round(score * 100)}%."
else:
message = f"You failed your assessment with a {round(score * 100)}%."
sns = boto3.client("sns", region_name="us-east-1")
number = "+15125967383"
sns.publish(PhoneNumber=number, Message=message)
return {"score": score, "message": message}
def find_question(all, id):
#print("id to find: ", id)
for question in all:
if question["id"] == id:
#print(question)
return question
def get_assessment(id):
assessment_table = dynamodb.Table("Assessments")
results = assessment_table.get_item(Key={"id": id})
if results.get("Item") is None:
return {"error": "id does not exist", "section": id}
else:
quiz = results.get("Item")
return {
"title": quiz.get("title"),
"id": quiz.get("id"),
"questions": [
{
"id": question.get("id"),
"title": question.get("title"),
"options": random_answers(
question.get("incorrectAnswers")
+ [question.get("correctAnswer")]
),
}
for question in quiz.get("questions")
],
}
def get_students(id):
students_table = dynamodb.Table('Students')
results = students_table.get_item(Key = {
"uuid": id
})
if(results.get("Item") is None):
return {'error': 'id does not exist', 'section': id}
else:
student = results.get("Item")
return student
def lesson_plans_read():
student_table = dynamodb.Table("Lesson_Plans")
items = student_table.scan()['Items']
return jsonify(items)
def random_answers(answers):
shuffle(answers)
return answers
@app.route("/recommendations/<uuid>")
def get_recommendation(uuid):
student_info_table = dynamodb.Table('Students')
lesson_plans_table = dynamodb.Table('Lesson_Plans')
student = get_students(uuid)
tek = student.get("struggleTeks")[0]
lesson_plans = lesson_plans_table.scan( Select='ALL_ATTRIBUTES', FilterExpression='tek = :s', ExpressionAttributeValues={ ":s": tek })
#print(lesson_plans)
return jsonify({"student": student, "lesson_plans": lesson_plans.get("Items")})
if __name__ == "__main__":
app.run(host="0.0.0.0", debug=True)

Selection sort

Nov 19, 2022CodeCatch

0 likes • 0 views

# Python program for implementation of Selection
# Sort
import sys
A = [64, 25, 12, 22, 11]
# Traverse through all array elements
for i in range(len(A)):
# Find the minimum element in remaining
# unsorted array
min_idx = i
for j in range(i+1, len(A)):
if A[min_idx] > A[j]:
min_idx = j
# Swap the found minimum element with
# the first element
A[i], A[min_idx] = A[min_idx], A[i]
# Driver code to test above
print ("Sorted array")
for i in range(len(A)):
print("%d" %A[i]),