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Rooted by: Counting Up and Down
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  • Fundamentals
    Code 
    def numberprint(x):
    final = ''
    for i in range(1,x+1):
        final += str(i)
    for i in range(x-1,0,-1):
        final += str(i)
    return int(final)
     Preloaded Code 
    def numberprint(x):
    return
     Test Cases 
    import 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)
    View Run Output
  • Code
    • 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_integer
    • final = ''
    • for i in range(1,x+1):
    • final += str(i)
    • for i in range(x-1,0,-1):
    • final += str(i)
    • return int(final)