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Python Sum of List Elements

Python3 Examples

Define a list of numbers and calculate the sum of its elements.

Example 1

total = 0

list1 = [11, 5, 17, 18, 23]  

for ele in range(0, len(list1)): 
    total = total + list1[ele] 

print("Sum of the list elements is: ", total)

The output of the above example is:

Sum of the list elements is:  74

Example 2: Using while() Loop

total = 0
ele = 0

list1 = [11, 5, 17, 18, 23]  

while(ele < len(list1)): 
    total = total + list1[ele] 
    ele += 1

print("Sum of the list elements is: ", total)

The output of the above example is:

Sum of the list elements is:  74

Example 3: Using Recursion

list1 = [11, 5, 17, 18, 23] 

def sumOfList(list, size): 
    if (size == 0): 
        return 0
    else: 
        return list[size - 1] + sumOfList(list, size - 1) 

total = sumOfList(list1, len(list1)) 

print("Sum of the list elements is: ", total)

The output of the above example is:

Sum of the list elements is:  74

Python3 Examples

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