# Python | Write a function to find sum of two integral numbers in string format

Here, we are implementing a program in python, in which we will **write a function that will accept two integral types of numbers in string format and return sum of the numbers as an integer**.

Submitted by **IncludeHelp**, on August 02, 2018

**Given two integral numbers in string format, we have to define a function that can receive these numbers, convert into integers and return the sum as integer in Python.**

**Example:**

Input: num1 = "10" num2 = "20" Function calling: calculateSum(num1, num2) Output: Sum = 30

**Logic:**

- Input two numbers in string format (We are just assigning the hard-coded values here), note that, numbers should be integral type.
- Define a function, pass these values as parameters.
- Explicitly convert the values to integer by using int(variable/value).
- Calculate the sum and return it.

**Program:**

# function to calculate and return the sum # parameters: # a, b - integral numbers in string format # return: sum of the numbers in integer format def calculateSum (a,b): s = int(a) + int(b) return s # Main code # take two integral numbers as strings num1 = "10" num2 = "20" # calculate sum sum = calculateSum (num1, num2) # print sum print "Sum = ", sum

**Output**

Sum = 30

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