R.L Numbers

def isItPrime(N):# same as before
  x=""
  if x<2:
    return("Not Prime")
  elif x==2:
    return("Prime")
  else:
    for D in range(2, N):
      if (D * D > N):          # first added line
        break                  # second added line
      if N % D == 0:
        x="Not Prime"
        return("Not Prime")
    if x!="Not Prime":
      return("Prime")

print(isItPrime(3))
print(isItPrime(4))
def lastThreePrimes(n):
    x=2
    m = []
    while x<=n:
      if isItPrime(x) == "Prime":
        m.append(str(x))
      x+=1
    return int(m[-3])+int(m[-2])+int(m[-1])
n=5
while n<101:
  y = lastThreePrimes(n)
  z = n
  print ("%s has a value of %s" % (z,y))
  n+=1