a = "*"
print(a)
print(a + a)
print(a + a + a)
print(a + a + a + a)
print(a + a + a + a + a)
  
# 檔名: exercise0503.py 
# 作者: Kaiching Chang 
# 時間: July, 2014

b78dd6a34504a4693dfabdfb3974bb9e999c3f48
<mask token>

<mask token>
print(a)
print(a + a)
print(a + a + a)
print(a + a + a + a)
print(a + a + a + a + a)

a = '*'
print(a)
print(a + a)
print(a + a + a)
print(a + a + a + a)
print(a + a + a + a + a)

a = "*"
print(a)
print(a + a)
print(a + a + a)
print(a + a + a + a)
print(a + a + a + a + a)
  
# 檔名: exercise0503.py 
# 作者: Kaiching Chang 
# 時間: July, 2014
