def factorial (x):
if x <= 1:
return 1
return x * factorial (x-1)
def print_hallo (x):
if x <= 1:
print "Hallo Welt"
return
print "Hallo Welt"
print_hallo (x-1)
def print_hallo_loop (x):
i = 0
while i < x:
print "Hallo Welt"
i = i + 1
print factorial (10)
print_hallo (10)
print_hallo (20)