Answer to Question #225349 in Python for hari

Question

Trapezium Order

you are given an integer N . print N rows starting from 1 in the trapexium order as shown in the output of the below examples .

Input

the input contains an integer N

OUTPUT

the output should have N lines

each of the N lines should have space -seperated integers as per the trapezium order

SAMPLE INPUT 1

4

SAMPLE OUTPUT 1

1 2 3 4 17 18 19 20

5 6 7 14 15 16

8 9 12 13

10 11

Answer 1

current = 1
r = 4
for i in range(0, r + 1, 1):
    for j in range(i + 1, r + 1, 1):
        print(current, end=' ')
        current += 1
    print()