Sum Of Natural numbers In Python
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Lecture 29:- Sum Of Natural numbers In Python
To calculate the sum of natural numbers in Python, you can use a simple loop or use the formula for the sum of the first n natural numbers. Here are two common approaches:
- Using a Loop: You can use a
forloop to iterate from 1 to the given number and sum the numbers.pythonCopy code
def sum_of_natural_numbers(n): total_sum = 0 for i in range(1, n + 1): total_sum += i return total_sum # Example usage: n = 10 result = sum_of_natural_numbers(n) print(f"The sum of the first {n} natural numbers is: {result}")
- Using Formula: The sum of the first n natural numbers can be calculated using the formula: sum = (n * (n + 1)) / 2.
pythonCopy code
def sum_of_natural_numbers(n): return (n * (n + 1)) // 2 # Example usage: n = 10 result = sum_of_natural_numbers(n) print(f"The sum of the first {n} natural numbers is: {result}")Both approaches will give you the same result. The formula-based approach is more efficient as it calculates the sum directly without the need for a loop, making it more suitable for large values of n. However, both methods are valid and will give you the correct sum of the first n natural numbers.
- 1. Background Part 1 (IO Devices, CPU and Memory) In Python
- 2. Background Part 2 (Computer Organization & Operating System) In Python
- 3. Why Do We Need Programming Languages in Python
- 4. Python Introduction in Python
- 5. Python Standard and Implementations in Python
- 6. How Python Programs are Executed
- 7. Python Programming Terminology
- 8. Python Installation and First Program
- 9. Comments in Python
- 1. Arithmetic Operators in Python
- 2. Logical Operators in Python
- 3. Identity Comparison Operators in Python
- 4. Membership Test Operators in Python
- 5. Bitwise Operators in Python Part 1
- 6. Bitwise Operators In Python Part 2
- 7. Arithmetic Progression nth Term in Python
- 8. Geometric Progression nth Term in Python
- 9. Sum Of Natural numbers In Python
- 10. Find Last Digit In Python
- 11. Day Before N Days In Python
- 1. Loops In Python
- 2. While Loops In Python
- 3. range() In Python
- 4. For Loop In Python
- 5. Table Of A Number In Python
- 6. Break In Python
- 7. Continue In Python
- 8. Nested Loop In Python
- 9. Square Pattern In Python
- 10. Printing Triangle Pattern In Python
- 11. Inverted Triangle In Python
- 12. Pyramid Pattern In Python
- 13. Count Digits In Python
- 14. Factorial In Python
- 15. GCD In Python
- 16. LCM In Python
- 17. Fibonacci Numbers In Python
- 18. Check For Prime In Python
- 19. All Divisors In Python
- 20. Optimizations Of All Divisors And Prime Python
- 1. Strings In Python
- 2. Escape Sequences And Raw Strings Python
- 3. Formatted String In Python
- 4. String Operations Part(1) In Python
- 5. String Operations Part(2) In Python
- 6. String Comparison in Python
- 7. Pattern Searching In Python
- 8. Check For Palindrome In Python
- 9. Reverse A String In Python
- 10. Decimal to Binary In Python
- 11. Binary to Decimal Conversion In Python
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