Question

write a program in python to find sum of first 10 even number ( using while statement )

Answer 1

# Python3 implementation to find sum of
# first n even numbers

# function to find sum of
# first n even numbers
def evensum(n):
curr = 2
sum = 0
i = 1

# sum of first n even numbers
while i <= n:
sum += curr

# next even number
curr += 2
i = i + 1
return sum

# Driver Code
n = 20
print("sum of first ", n, "even number is: ",
evensum(n))

Answer 2

Answer:

write a program in python to find sum of first 10 even number ( using while statement )

Answer:

def even_sum(n):  

   sum = 0  

   i = 2  

   while i <= n:  

       sum += i  

       i = i + 2  

   return sum  

n = int(input('Enter any number: '))  

print("Sum of all even numbers from 1 to", n , "is: " , even_sum(n))  

Explanation:

in the above answer, we have define a function by using a keyword def and the name of the function is even_sum() this function accepting a value as a argument  this specific the range or number from 1 to number n , inside this function we create a variable sum= 0 , i = 2  sum or adding the value and i for even numbers and a while loop in which we are comparing the variable and at last we function returns the sum of the even numbers

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