sum_sqr_natuaral_no.py

# Python3 Program to 
# find sum of square 
# of first n natural  
# numbers 
  
  
# Return the sum of 
# square of first n 
# natural numbers 
def squaresum(n) : 
  
    # Iterate i from 1  
    # and n finding  
    # square of i and 
    # add to sum. 
    sm = 0
    for i in range(1, n+1) : 
        sm = sm + (i * i) 
      
    return sm 
  
# Driven Program 
n = 4
print(squaresum(n)) 
  
# This code is contributed by Nikita Tiwari.*/