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Fundamentals
The YouTube video that inspired this: https://www.youtube.com/watch?v=vKlVNFOHJ9I
When a number n is inputted, the function produces a number where its digits count up to n and back down to one.
Here are some examples of how the function should function.
1 --> 1
2 --> 121
3 -- > 12321
Notice how there is only one n in the integer.
For situations where n > 9, some numbers may be two digits instead of one, such as the example here:
10 --> 12345678910987654321
All numbers will be integers greater than zero.
def numberprint(x):
accending = list(range(1, x + 1))
descending = list(range(x-1, 0, -1))
newlist = accending + descending
strings = [str(integer) for integer in newlist]
a_string = "".join(strings)
an_integer = int(a_string)
return an_integerimport codewars_test as test
from solution import numberprint
@test.describe("Fixed Tests")
def basic_tests():
@test.it("Fixed tests")
def fixed_tests():
test.assert_equals(numberprint(1), 1)
test.assert_equals(numberprint(2), 121)
test.assert_equals(numberprint(10), 12345678910987654321)