# Python program to generate sum of series 1!+2!+3!+--------------n!

## Python program to generate sum of series 1!+2!+3!+--------------n!

Given a number n , write a program to generate a sum of series 1!+2!+3!+--------------n! . For generating this first we have to know that how to find the factorial of a number .

Program to find the factorial of a number  : -  Click here

Sample input

`3`

Sample output

`Sum of the series is: 9`

Explanation:

`= 1! + 2! + 3!`
`=  1+2+6`
`=  9`

## Pyhton program to generate sum of series 1!+2!+3!+--------------n!

The objective of the code is to generate sum of series 1!+2!+3!+--------------n!  .

Code(Python):-

def fact(n):
f=1
for i in range(1,n+1):
f=f*i
return f

n=int(input("Enter a number\n"))
sum=0
for i in range(1,n+1):
sum=sum+fact(i);
print(f"Sum of the series is: {sum}")

Output:-

Enter a number
3
Sum of the series is: 9

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