파이썬3 피라미드

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

for a1 in range(x,1,-1):

print(" ",end='')

print("1")

 

a=1

b=x-2

c=1

for y in range(0,x-1):

for z in range(b,0,-1):

print(" ",end='')

b-=1

c+=1

for v in range(c,1,-1):

print(v,end='')

a+=1

for z1 in range(1,a+1):

print(z1,end='')

print()