3.3pop_ipynb_2_

a, b = 11, 0

Add = a + b
Subtract = a - b
Multiply = a * b
Divide = a / b if b != 0 else 'undefined'
Exponent = a ** b


print(f"Add: {Add}")
print(f"Subtract: {Subtract}")
print(f"Multiply: {Multiply}")
print(f"Divide: {Divide}")
print(f"Exponent: {Exponent}")

Add: 11
Subtract: 11
Multiply: 0
Divide: undefined
Exponent: 1

def fibonacc(n):
    if n <= 0:
        return "invalid"
    elif n == 1:
        return 0
    elif n == 2:
        return 1
    else:
        return fibonacc(n - 1) + fibonacc(n - 2)


n = 12 
print(f"The {n}th Fibonacci number is: {fibonacc(n)}")

The 12th Fibonacci number is: 89

def A():
    return True  # Condition A

def B():
    return True  # Condition B

# Original statement: if A then B
if A():
    print("A is true, so B must also be true:", B())
else:
    print("A is false, we cannot conclude anything about B.")

# Contrapositive: if not B then not A
if not B():
    print("B is false, therefore A must also be false:", not A())
else:
    print("B is true, we cannot conclude anything about A.")

A is true, so B must also be true: True
B is true, we cannot conclude anything about A.

%%javascript

public class ContrapositiveExample {
    
    public static boolean A() {
        return true; // Condition A
    }
    
    public static boolean B() {
        return true; // Condition B
    }
    
    public static void main(String[] args) {
        // Original statement: if A then B
        if (A()) {
            System.out.println("A is true, so B must also be true: " + B());
        } else {
            System.out.println("A is false, we cannot conclude anything about B.");
        }
        
        // Contrapositive: if not B then not A
        if (!B()) {
            System.out.println("B is false, therefore A must also be false: " + !A());
        } else {
            System.out.println("B is true, we cannot conclude anything about A.");
        }
    }
}

<IPython.core.display.Javascript object>