Sum of list in python

How to calculate the sum of a list in python

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

Python sum of list

>>> list = [1, 2, 3]
>>> sum(list)
6

Sum of list in python

a = [2, 4, 56, 7]

print(a[0] + a[1] + a[2] + a[3])
print(sum(a))

Sum of list of lists python

List = [[1, 2, 3],
        [4, 5, 6],
        [7, 8, 9]]
          

for i in zip(*List):
  print(i)

out: 
(1, 4, 7)
(2, 5, 8)
(3, 6, 9)

Sum of elements in a list.

data = ['5', '4', '9']

sum(int(i) for i in data)
18

Source: stackoverflow.com

Sum the contents of a list python

# Sum the contents of a list without the builtin sum function

list = [1,2,3,4,5]
sum = 0

# loop through each position of the list and 
# add the contents of each position to the variable, sum
for i in range(len(list)):
	sum += list[i]

# result is 1 + 2 + 3 + 4 + 5 = 15
print(sum)

Similar codes

31 votes187 views6 answers
Python strip whitespace
Python
0 vote149 views1 answer
Tkinter convert Entry to string
Python
60 votes172 views2 answers
Sort_values
Python
0 vote172 views1 answer
Add to middle of list python
Python
0 vote164 views1 answer
Extract year from astype('datetime64[ns]')
Python
0 vote151 views1 answer
Faster way to find list of unique elements in a list
Python
0 vote181 views1 answer
Django create username and password from csv
Python Django
0 vote151 views1 answer
Odoo order by xml rpc
Python
0 vote148 views2 answers
SyntaxError: Non-ASCII character '\xe2' in file /root/Downloads/la_southwest_college/handy/accountDetails.py on line 116, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details
Python
-1 vote153 views1 answer
AttributeError: 'list' object has no attribute 'dtypes'
Python