Euler 80

gistfile1.txt

from math import sqrt
from decimal import *
# you need more than 100 digits, b/c otherwise you get rounding errors
getcontext().prec = 105

squares=[]
for a in range (2,10):
	squares.append(a**2)

total=0
for z in range (2,100):
	if z not in squares:
		# this ridiculousness is how you force it to decimalize sqrts
		x=str(Decimal(str(z))**Decimal(str(0.5)))
#		print z,len(x),x,
		sum = 0
		for a in range (0,101):
			digit = x[a:a+1]
			if digit !=".":
				sum = sum + int(digit)
#		print sum
		total+=sum	
print total