'''a="ww"

print(a*2)

b=int(5)

if ("h" in(a)):

    print("wen")

if(b>=4):

    print("溫學智")

print(b)

wen=u'wenxu'

print(wen.upper())

print(wen)

print(wen.lower())

list=[]           #[]

list.append("wen")

print(list)

print(list[0])

wen1={}

wen1.keys()

wen1.values()

dict = {}                #{}

dict['one'] = "This is one"

dict[2] = "This is two"

print(dict.keys())

print(dict.values())

print(dict["one"])

a="wenxuezhi"

if("we" in(a)):

    print("wenxue    ssss")s

fruits=["we","ww","ss","sds"]               #in

for fruit in fruits:

    print(fruit)                                            range'''

for num in range(10,20):  # 迭代 10 到 20 之間的數字

   for i in range(2,num): # 根據因子迭代

      if num%i == 0:      # 確定第一個因子

         j=num/i          # 計算第二個因子

         print ('%d 等于 %d * %d' % (num,i,j))

         break            # 跳出當前循環

   else:                  # 循環的 else 部分

      print (num, '是一個質數')