Question

In Python WAP to input any positive integer N. If N is even, then find the sum of squares of first N natural numbers If N is odd, then find the sum of cubes of first N natural numbers

Answer 1

Answer:

num = int(input("Enter the value of n: "))

hold = num

sum = 0

if num <= 0:

print("Enter a whole positive number!")

else:

while num > 0:

sum = sum + num

num = num - 1;

# displaying output

print("Sum of first", hold, "natural numbers is: ", sum)

Output 1:

Enter the value of n: 6

Sum of first 6 natural numbers is: 21

Output 2:

Enter the value of n: 0

Enter a whole positive number!

Output 3:

Enter the value of n: -10

Enter a whole positive number!

Output 4:

Enter the value of n: 20

Sum of first 20 natural numbers is: 210

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Answer 2

Answer:

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