💡 Python Conditionals: if, elif, and else

The if-elif-else structure allows your program to execute different code blocks based on a series of conditions. It evaluates them sequentially:

• if: The first condition to check. If it's True, its code block runs, and the entire structure is exited.
• elif: (short for "else if") If the preceding if (or elif) was False, this condition is checked. You can have multiple elif blocks.
• else: This is an optional final block. Its code runs only if all preceding if and elif conditions were False.

This provides a clear and efficient way to handle multiple mutually exclusive scenarios.

# A program to categorize a number
number = 75

if number < 0:
    category = "Negative"
elif number == 0:
    category = "Zero"
elif 0 < number <= 50:
    category = "Small Positive (1-50)"
elif 50 < number <= 100:
    category = "Medium Positive (51-100)"
else:
    category = "Large Positive (>100)"

print(f"The number {number} is in the category: {category}")
# Output: The number 75 is in the category: Medium Positive (51-100)

Code explanation: The script evaluates the variable number. It first checks if it's negative, then if it's zero. After that, it checks two positive ranges using elif. Since 75 is greater than 50 and less than or equal to 100, the condition 50 < number <= 100 is met, the category is set to "Medium Positive", and the final else block is skipped.

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By: @DataScienceQ ✨