how do i add all the values in "n"

Question

import numpy as np

n=int(input(''))

for n in range(1,n):
if n%2!=0 :
pass

else:
print(n)

Answer 1

1. string containing all n values:
x= "". join([str(i) for i in range(1,n)])
2. list containing all n values:
x= [i for i in range(1,n)]

Answer 2

n= int(input())
x=0
for i in range(n+1):
x+=i

Answer 3

🤕 just add to the end
print(x)

Answer 4

i mean sum

Answer 5

Avalon No output i tried