num=6
for i in range(1,num):
    for j in range(1,i+1):
        print(j,end='')
        print('\n')
for i in range(1,num):
    for j in range(1,i+1):
        print('',end='')
        print('\n')
        

  Line 4
    print(j,end='')
               ^
SyntaxError: invalid syntax