Practice questions on Have your own function

def table(n,i):
  print n*i
  i=i+1
  if i<=10:
    table(n,i)
table(12,1)

def power(a,b):
  if b == 1:
    return a
  else:
    return a*power(a,b-1)
print power(6,2)

def perfect(n):
  sum = 0
  for i in range(1,n):
    if n%i == 0:
      sum = sum + i
  if sum == n:
    return True
  else:
    return False
for i in range(1,1001):
  if perfect(i):
    print i