# basic_math.py

# Basic numbers

a = 10

b = 3

print("a =", a)

print("b =", b)

print("\n--- Basic Operations ---")

print("Addition:", a + b)

print("Subtraction:", a - b)

print("Multiplication:", a * b)

print("Division:", a / b) # returns float

print("\n--- More Operations ---")

print("Floor Division:", a // b) # removes decimals

print("Modulus (remainder):", a % b)

print("Exponent:", a ** b)

print("\n--- Order of Operations ---")

result = (a + b) * 2

print("(a + b) * 2 =", result)

print("\n--- Incrementing ---")

a = a + 1

print("a after increment:", a)

# shorthand

a += 5

print("a after += 5:", a)

a = 7

b = 2

print("\n--- More Math Functions ---")

number = 10

if number % 2 == 0:

print(f"{number} is even.")

else:

print(f"{number} is odd.")