#父与子的编程之旅#第八章

新年第一篇，新年快乐！不废话，直接入正题！

《父与子的编程之旅与小卡特一起学python》这本书真的比较通俗易懂好上手，是编程小白的最佳选择！（编者看到记得给我广告费）

第八章主要讲循环。循环一般分为可以计数的循环和不可计数的循环两种。

可以计数的循环一般用for循环，e.g. for i in range (1,10)

不可计数的循环一般用while循环，e.g. while i<10

讲到while循环不得不提的是跳出循环的两个条件，break和continue,它们的区别是continue跳出当前循环直接跳到下一次的迭代中，而break是直接跳出本循环，循环终止。

还有一个要提的就是循环结果的输出，如果用print函数输出循环结果，那么就要把变量和字符串用逗号间隔的输出

如果用easygui.msgbox函数(easygui库)输出，那么变量和字符串同时输出的时候用“+”号间隔。

直接贴第八章课后题吧！

'''第一题'''
"""编写一个程序，显示一个乘法表。开始时要询问用户显示哪个数的乘法表。输出应该如下所示：
Which multiplication table would you like?
5
Here's your table:
5 * 1 = 5
5 * 2 = 10
5 * 3 = 15
5 * 4 = 20
5 * 5 = 25
5 * 6 = 30
5 * 7 = 35
5 * 8 = 40
5 * 9 = 45
5 * 10 = 50
"""

inputnum = int(raw_input("Which multiplication table would you like?"))
print "Here's your table:"
for i in range(1,11):
    print inputnum," * ",i," = ",i*inputnum

'''注意print将变量和字符串组合到一起是用逗号间隔的，而easygui.msgbox是用加号'''





'''第二题'''
'''使用while循环实现同样的效果'''

inputnum = int(raw_input("Which multiplication table would you like?"))
i = 1
print "Here's your table:"
while i < 11:
    print inputnum," * ",i," = ",i*inputnum
    i = 1+i






'''第三题'''
'''向乘法表程序中再加点东西。询问用户想要的乘法表之后，再问用户希望最大乘到几。
输出应当如下所示：
Which multiplication table would you like?
7
How high do you want to go?
12
Here's your table:
7 * 1 = 7
7 * 2 = 14
7 * 3 = 21
7 * 4 = 28
7 * 5 = 35
7 * 6 = 42
7 * 7 = 49
7 * 8 = 56
7 * 9 = 63
7 * 10 = 70
7 * 11 = 77
7 * 12 = 84
'''

inputnum = int(raw_input("Which multiplication table would you like?"))
wantnum = int(raw_input("How high do you wangt to go?"))
print "Here's your table:"
for i in range (1,wantnum+1):
    print inputnum," * ",i," = ",inputnum*i