🐍Python Program #31: Find the Sum of Elements in a List | Python Programming
🐍Python Program #31: Find the Sum of Elements in a List | Python Programming
➕ Learn how to calculate the SUM of all elements in a Python list!
In this video, we’ll cover:
1️⃣ Using a for loop to add elements step by step
2️⃣ Using Python’s built-in sum() function
🎯 You’ll Learn:
How to traverse a list
Adding elements manually
Python shortcuts with built-in functions
Perfect for coding practice, assignments, and interviews 🚀
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Logic:
1. A list can contain multiple numbers → Example: [10, 20, 30, 40, 50]
2. The task is to add all numbers in the list and find the total sum.
3. There are two approaches:
→ Method 1: Use Python’s built-in sum() function.
Quick and simple.
→ Method 2: Use a loop to add elements one by one.
Helps to understand how addition works internally.
4. Loop method:
a. Start with sum = 0
b. Traverse each element in the list
c. Add the element to sum
d. After the loop → sum holds the total value
Code:
Find sum of elements in a list using loop
numbers = [10, 20, 30, 40, 50]
total = 0
for num in numbers:
total += num
print("The sum of elements in the list is:", total)
Alternative method: Find sum of elements in a list using built-in function
numbers = [10, 20, 30, 40, 50]
print("The sum of elements in the list is:", sum(numbers))
👉 Perfect for Python beginners and school/college projects!
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