def asterix_triangle(i, t=0):
    if i == 0:
        return 0
    else:
        print('*' * ( t + 1 ))
        return asterix_triangle( i - 1, t + 1 )
 
def upside_down_asterix_triangle(i, t=0):
    if i == 0:
        return 0
    else:
        print(' ' * (i-1) +  '*' * ( t+1 ))
        return upside_down_asterix_triangle( i - 1, t + 1 )
 
def create_pyramid(rows):
    for i in reversed(range(rows)):
        print((' ' * (rows - i - 1) +'*' * ( i + 1)))
 
def create_upside_down_pyramid(rows):
    for i in reversed(list(range(rows))):
        print(('*' * ( i + 1)))
 
asterix_triangle(5)
print ("")
upside_down_asterix_triangle(5)
print ("")
create_pyramid(5)
print ("")
create_upside_down_pyramid(5)

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