Python Program to Find Sum of Series 1/1!   2/2!   3/3!   …1/n!

Python Program to Find Sum of Series 1/1! 2/2! 3/3! …1/n!

Python program to find or calculate sum of the series 1/1! + 2/2! + 3/3! + ……1/n!; Through this tutorial, you will learn how to find or calculate the sum of series: 1 + 1/2 + 1/3 + ….. + 1/N in python program.

Python Program to Find Sum of Series 1/1! 2/2! 3/3! …1/n!

  • Python Program to Find Sum of Series 1/1! 2/2! 3/3! …1/n! using for loop
  • Python Program to Find Sum of Series 1/1! 2/2! 3/3! …1/n! Using Function

Python Program to Find Sum of Series 1/1! 2/2! 3/3! …1/n! using for loop

Use the following steps and write a python program to find sum of the series 1/1! + 2/2! + 3/3! + ……1/n! using for loop:

  • Take the input number of the term to the user.
  • Initialize the sum1 name variable to 0.
  • Use a for loop to iterate from 1 to the user given term number with find the sum of the series.
  • Print the sum of the series.
n=int(input("Enter the number of terms: "))
sum1=0
for i in range(1,n+1):
    sum1=sum1+(1/i)
print("The sum of series is",round(sum1,2))

Output

Enter the number of terms:  5
The sum of series is 2.28

Python Program to Find Sum of Series 1/1! 2/2! 3/3! …1/n! Using Function

Use the following steps and write python program to find sum of the series 1/1! + 2/2! + 3/3! + ……1/n! using function:

  • Take the input number of the term to the user.
  • Next, Define a function and write logic to computes the sum of series for a given number.
  • Call function with number.
  • Print the sum of the series return by function.
#Python Program to Find Sum of Series 1/1!   2/2!   3/3!   …1/n! using function

#define a function
def sumOfSeries(num): 
      
    # Computing MAX 
    res = 0
    fact = 1
      
    for i in range(1, num+1): 
        fact *= i 
        res = res + (i/ fact) 
          
    return res 
      
  
n=int(input("Enter the number of terms: "))

print("Sum: ", sumOfSeries(n)) 
Enter the number of terms:  5
Sum:  2.708333333333333

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AuthorAdmin

My name is Devendra Dode. I am a full-stack developer, entrepreneur, and owner of Tutsmake.com. I like writing tutorials and tips that can help other developers. I share tutorials of PHP, Python, Javascript, JQuery, Laravel, Livewire, Codeigniter, Node JS, Express JS, Vue JS, Angular JS, React Js, MySQL, MongoDB, REST APIs, Windows, Xampp, Linux, Ubuntu, Amazon AWS, Composer, SEO, WordPress, SSL and Bootstrap from a starting stage. As well as demo example.

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