# By considering the terms in Fabonacci seq. whose value does not exceed 4 mil. WAP to find the sum of even valued terms

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By considering the terms in Fabonacci seq. whose value does not exceed 4 mil. WAP to find the sum of even valued terms

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by Goeduhub's Expert (7.6k points)
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## Ques. By considering the terms in Fabonacci seq. whose value does not exceed 4 mil. WAP to find the sum of even valued terms

Answer : Here i have just given a example upto 50=n you can take 4,000,000

Program :

def fib(n):

a=0

b=1

a1=[]

a1.append(a)

a1.append(b)

s=0

for i in range(1,n+1):

c=a+b

a1.append(c)

a=b

b=c

print(a1)

for j in a1:

if j%2==0:

s=s+j

print("sum of even terms upto",n,"are : ",s)

fib(50)

Output :

[0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711, 28657, 46368, 75025, 121393, 196418, 317811, 514229, 832040, 1346269, 2178309, 3524578, 5702887, 9227465, 14930352, 24157817, 39088169, 63245986, 102334155, 165580141, 267914296, 433494437, 701408733, 1134903170, 1836311903, 2971215073, 4807526976, 7778742049, 12586269025, 20365011074]

sum of even terms upto 50 are :  26658145586

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