3.3 and 3.5 Hacks

3.3

Popcorn Hack #1

def output(x):
    print(8 * (x - 2) + 9)
number = float(input('Enter an x value'))
output(number)

Popcorn Hack #2

number1 = 11
number2 = 2
number3 = number1 % number2
number4 = number3 * number1 + 70
#answer will be 81
print(number4)

Popcorn Hack #3

numberl = [14, 18, 19, 23]

for num in numberl:
    remainder = num % 3
    if remainder == 0:
        print(num, "is divisible by 3")
    else:
        print("The remainder when", num, "is divided by 3 is", remainder)

Homework Hack

#fibonacci
def fibonacci(n):
    if n <= 0:
        return "Input should be a positive integer"
    elif n == 1:
        return 0
    elif n == 2:
        return 1
    else:
        a, b = 0, 1
        for _ in range(n - 2):
            a, b = b, a + b
        return b

number = int(input('enter an integer:'))
print(fibonacci(number))

#calculating area of shapes
import math

def calculate_area():
    shape = input("Which shape do you want to calculate the area for? (circle, square, rectangle): ").lower()
    
    if shape == "circle":
        radius = float(input("Enter the radius of the circle: "))
        return f"The area of the circle is: {math.pi * (radius ** 2)}"
    
    elif shape == "square":
        side = float(input("Enter the side length of the square: "))
        return f"The area of the square is: {side ** 2}"
    
    elif shape == "rectangle":
        length = float(input("Enter the length of the rectangle: "))
        width = float(input("Enter the width of the rectangle: "))
        return f"The area of the rectangle is: {length * width}"
    
    else:
        return "Invalid shape for area calculation."
print(calculate_area())

#calculating volume
def calculate_volume():
    shape = input("Which shape do you want to calculate the volume for? (rectangular prism, sphere, pyramid): ").lower()
    
    if shape == "rectangular prism":
        base = float(input("Enter the base length of the rectangular prism: "))
        width = float(input("Enter the width of the rectangular prism: "))
        height = float(input("Enter the height of the rectangular prism: "))
        return f"The volume of the rectangular prism is: {base * width * height}"
    
    elif shape == "sphere":
        radius = float(input("Enter the radius of the sphere: "))
        return f"The volume of the sphere is: {(4/3) * math.pi * (radius ** 3)}"
    
    elif shape == "pyramid":
        base = float(input("Enter the base length of the pyramid: "))
        width = float(input("Enter the width of the pyramid: "))
        height = float(input("Enter the height of the pyramid: "))
        return f"The volume of the pyramid is: {(1/3) * base * width * height}"
    
    else:
        return "Invalid shape for volume calculation."

print(calculate_volume())

3.5

Popcorn Hack #1

var first_variable = true;
var second_variable = false;

if (first_variable == true) {
    console.log("The first variable is true");
} else if (first_variable == false) {
    console.log("The first variable is false")
}

if (first_variable == true && second_variable == false) {
    "The first variable is true and the second one is false"
}

if (first_variable == true || second_variable == true) {
    "Either the first or the second variable is true"
}

first_variable = True
second_variable = False

if first_variable:
    print("The first variable is true!")
else:
    print("The first variable is false!")

if first_variable and not second_variable:
    print("The first variable is true and the second one is false")

if first_variable or second_variable:
    print("Either the first or the second variable is true")    

Popcorn Hack #2

number = float(input('Enter a number'))
if number > 10:
    print("number is greater than ten!")
else:
    print("number is not greater than ten!")

Popcorn Hack #3

number = float(input('Enter a number'))
if number >= 100 and number <= 999:
    print("The number you entered is 3 digits")
else:
    print("The number you entered is not three digits!")

Homework Hack

def de_morgan_law():
    print("A      B        Result")
    values = [False, True]

    for A in values:
        for B in values:
            result = (not (A and B)) == ((not A) or (not B))
            print(f"{A}  {B}  {result}")

de_morgan_law()

A      B        Result
False  False  True
False  True  True
True  False  True
True  True  True