Question

Se citeste n, numar natural. Sa se evalueze expresia de mai jos:

$\frac{1}{1} +\frac{1}{1*2}+\frac{1}{1*2*3}+...+\frac{1}{1*2*3*...*n}$

PYTHON - folosind FOR

Answer 1

n = int(input("Introduceti n : "))

suma = 0;

factorial = 1;

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

   factorial=factorial*i

   suma = suma + 1/factorial

   

print("Suma este : " + str(suma))