17 lines
364 B
Python
Executable file
17 lines
364 B
Python
Executable file
|
|
def nextInSequence(number):
|
|
if isinstance(number, int):
|
|
if number % 2 == 0:
|
|
return number // 2
|
|
else:
|
|
return 3*number+1
|
|
else:
|
|
raise TypeError('input must be int!')
|
|
|
|
def seqenceLength(number):
|
|
length = 0
|
|
while number != 1:
|
|
number = nextInSequence(number)
|
|
length += 1
|
|
return length
|