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calculate_ncr_using_recursion.py #2067

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calculate_ncr_using_recursion.py #2067

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22 changes: 22 additions & 0 deletions fibonacci_number_in_series.py
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Original file line number Diff line number Diff line change
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def fib(n):
phi = ((1 + (5 ** (1 / 2))) / 2);
return round((phi ** n) / (5 ** (1 / 2)));

# Function to return the required sum
def calculateSum(l, r):

# To store the sum
sum = 0;

# Calculate the sum
for i in range(l, r + 1):
sum += fib(i);

return sum;

# Taking inputs from user
z,x = map(int,input().split())
# Driver Code
if __name__ == '__main__':
l, r = 4, 8;
print(calculateSum(z, x));