python to find the sum of all the elements in a list

1# Python code to demonstrate the working of  
2# sum() 
3numbers = [1,2,3,4,5,1,4,5] 
4  
5# start parameter is not provided 
6Sum = sum(numbers) 
7print(Sum) # result is 25  
8# start = 10 
9Sum = sum(numbers, 10) 
10print(Sum) # result is 10 +25 = 35

1lst = []
2num = int(input('How many numbers: '))
3for n in range(num):
4    numbers = int(input('Enter number '))
5    lst.append(numbers)
6print("Sum of elements in given list is :", sum(lst))

1list = [5, 8, 7, 2, 9, 13, 27]
2a = 0
3
4for i in list:
5    a += i
6
7print(a)

1# Sum the contents of a list without the builtin sum function
2
3list = [1,2,3,4,5]
4sum = 0
5
6# loop through each position of the list and 
7# add the contents of each position to the variable, sum
8for i in range(len(list)):
9	sum += list[i]
10
11# result is 1 + 2 + 3 + 4 + 5 = 15
12print(sum)