← 🐍 Python World

🐍 Even or Odd?

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📖 The mission

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If statements choose a path

An if statement checks a condition and chooses which answer to return. Order matters: check the special cases first.

💡 Hint ladder

n % 2 gives the remainder when dividing by 2.
if n % 2 == 0: return "even"

🧪 Coach checks

◯ 4 is even
◯ 7 is odd
◯ 0 is even
◯ 99 is odd

Live coach

Getting ready

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💬 % gives the remainder. Even numbers have remainder 0 when divided by 2.

print(4 % 2)   # 0  (even)
print(7 % 2)   # 1  (odd)

def is_zero(n):
    if n == 0:
        return "yes"
    return "no"

print(is_zero(0))  # yes

📟 It printed:

📟 Output