4 zeros as default, as in the course slide
@@ -7,7 +7,7 @@ msg = input('insert string: ')
if msg == "": msg = "Hello, world!"
zeros = input('n of zeros: ')
-if zeros == "": zeros = 5
+if zeros == "": zeros = 4
else : zeros = int(zeros)
assert (zeros > 0), "the number of zeros to look for must be greater than zero"
