How To Print Column Triangle

        #COLUMN TRIANGLE

print('COLUMN TRIANGLE')

r=int(input('Enter Number of Rows :- '))

d=1
x=' '

for i in range(1,r+1):
    ac=1+(i-1)*d
    x=x+str(ac)+'  '
    print(x)


Made By :-
         Nilay Saraf