1
                       2  1  2
                    3  2  1  2  3

p = eval(input("Enter the number of lines: "))

num = 0
y = 1

while num < p:
    y = num

    line = str(y+1) + "  "

while y >= 1:

    y -= 1
    line += str(y+1) + "  "

while  y < num:

    line += str(y + 2) + "  "

    y +=1

print(format(line, "^80s"))

num +=1

# When n=3, returns [3, 2, 1, 2, 3]
def row(n):
    return list(reversed(range(2, n+1))) + list(range(1, n+1))

for n in range(1, 5):
    print(row(n))

[1]
[2, 1, 2]
[3, 2, 1, 2, 3]
[4, 3, 2, 1, 2, 3, 4]

def formatted_row(n, num_rows):
    padding = '   ' * (num_rows-n)
    return padding + ''.join(["%3s" % x for x in row(n)])

# When n=3, returns [3, 2, 1, 2, 3]
def row(n):
    return list(reversed(range(2, n+1))) + list(range(1, n+1))

def formatted_row(n, num_rows):
    padding = '   ' * (num_rows-n)
    return padding + ''.join(["%3s" % x for x in row(n)])

num_lines = eval(input("Enter the number of lines: "))
for n in range(1, num_lines+1):
    print(formatted_row(n, num_lines))

f(1, -n) f(1, -n+1) ... f(1, -1) f(1, 0) f(1, 1) ... f(1, n)
f(2, -n) ...            f(2, -1) f(2, 0) f(2, 1) ... f(2, n)
...                              ...                 ...
f(n, -n) ...                     f(n, 0) ...         f(n, n)

def f(line, place):
    # number is just an offset from center + 1
    number = abs(place) + 1
    # don't display numbers greater than line number
    return str(number) if number <= line else ' '

def pyramid(height):
    # same indexes for each line, so we'll reuse them
    places = range(-height+1, height)
    for line in range(1, height+1):
        print ' '.join(f(line, place) for place in places)

return str(number) if number <= line else ' ' * len(str(number))

def pyramid(height):
    FMT = '%3s'
    def row(r):
        right_half = [FMT % num for num in range(2, 2 + r)] +
                     [FMT % ' ' for spc in range(2 + r, 1 + height)]
        return ''.join(list(reversed(right_half)) + # Mirrored right half
                       [FMT % 1] +                  # Center
                       right_half)                  # Right half
    return "n".join([row(r) for r in range(height)])

print(pyramid(p))

lines = input("enter the number of lines")

lines = int(lines)

count = 1



while count < lines+1:

    padding = '   '*(lines-count)

    digits = list(range(1,count+1))


    output = padding + str(digits[::-1]) + str(digits[1:])
    print(output)
    count+=1