Answer
code
Work Step by Step
# 5.19 (Display a pyramid) Write a program that prompts the user to enter an integer
# from 1 to 15 and displays a pyramid, as shown in the following sample run:
n = int(input("Enter number of lines: "))
x = n * 2
for i in range(1, n + 1):
s = n + x
sp = str(s) + "s"
print(format(" ", sp), end='')
for j in range(i, 0, -1):
print(j, end=' ')
for j in range(2, i + 1):
print(j, end=' ')
print(format(" ", sp))
x -= 3