Course source code: https://codistwa.com/guides/conditional-expressions-and-logical-operators. More courses on https://codistwa.com

conditions.js

// ============================================================
// Comparison operators
// ============================================================

console.log(3 < 2); // false 
console.log(1 == '1'); // true
console.log('Banana' === 'Banana'); // true
console.log('Banana' !== 'Apple'); // true
console.log('Banana' != 'Apple'); // true
console.log(2 <= 3); // true
console.log(3 >= 3); // true

// ============================================================
// Logical Operators
// ============================================================

const isSun = true;
const isCloud = false;
const isPlanet = false;

if (isSun || isCloud) {
  console.log('It\'s sunny'); // It's sunny
  console.log('There is no cloud'); // There is no cloud
}

if (isSun && isCloud) {
  console.log('There is sun and clouds');
} else {
  console.log('There is no sun and clouds'); // There is no sun and clouds
}

if (!isPlanet) {
  console.log('This is not a planet'); // This is not a planet
}

// ============================================================
// Conditional testing
// ============================================================

const isSunny = true;
const isRain = false;

// if
if (3 > 2) {
  console.log('3'); // 3
} else {
  console.log('2');
}

// if else if
if (isSunny) {
  console.log('Sunglasses'); // Sunglasses
} else if (isRain) {
  console.log('Umbrella');
} else {
  console.log('Just my coat');
}

// switch
const color = 'red';
switch (color) {
  case 'yellow':
    console.log('One yellow pencil');
    break;
  case 'red':
    console.log('One red pencil'); // One red pencil
    break;
  default:
    console.log(`No ${color} pencil`);
}

// ============================================================
// Shorcuts
// ============================================================

const exampleTernary = 3 > 2 ? '3' : '2';
const exampleBoolean = 3 > 2 || 'Hello';
const exampleBooleanString = 3 > 2 && 'Hello';

console.log(exampleTernary); // 3
console.log(exampleBoolean); // true
console.log(exampleBooleanString); // Hello

conditions.py

# ============================================================
# Comparison operators
# ============================================================

print(3 < 2)  # False
print(1 == '1')  # False
print('Banana' == 'Banana')  # True
print('Banana' != 'Apple')  # True
print('Banana' != 'Apple')  # True
print(2 <= 3)  # True
print(3 >= 3)  # True

# ============================================================
# Logical Operators
# ============================================================

is_sun = True
is_cloud = False
is_planet = False

if is_sun or is_cloud:
    print('It\'s sunny')  # It's sunny
    print('There is no cloud')  # There is no cloud

if is_sun and is_cloud:
    print('There is sun and clouds')
else:
    print('There is no sun and clouds')  # There is no sun and clouds

if not is_planet:
    print('This is not a planet')  # This is not a planet
    
# ============================================================
# Conditional testing
# ============================================================

is_sunny = True
is_rain: False

# if
if 3 > 2:
    print('3'); # 3
else:
    print('2');

# if elif
if is_sunny:
    print('Sunglasses') # Sunglasses
elif is_rain:
    print('Umbrella')
else:
    print('Just my coat')
    
# ============================================================
# Shorcuts
# ============================================================

exampleTernary = '3' if 3 > 2 else '2'
exampleBoolean = 3 > 2 or 'Hello'
exampleBooleanString = 3 > 2 and 'Hello'

print(exampleTernary)  # 3
print(exampleBoolean)  # True
print(exampleBooleanString)  # Hello