for i in range(0,5):
    print '*'
print '\n\n'    
for i in range(0,5):  #5个*显示在同一行????
    print '*',

print '\n\n'

for i in range(0,5):
    for j in range(0,5):
        print '*',
    print

print '\n\n'

for i in range(0,5):
    for j in range(0,i+1):
        print '*',
    print
