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CBSE Class 11 Computer Science Question 145 of 161

Flow of Control — Question 22

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22
Question

Question 21

Write a Python program to sum the sequence:

1 + 1/1! + 1/2! + 1/3! + ..... + 1/n! (Input n)

Solution
n = int(input("Enter the value of n: "))
sum = 0

for i in range(n + 1) :
    fact = 1
    for j in range(1, i) :
        fact *= j
    term = 1 / fact
    sum += term

print("Sum =", sum)
Output
Sum = 3.708333333333333
Answer