python#父与子编程之旅-11嵌套与可变循环

for multiplier in range(5,8):
　　for i in range(2,11):
　　　　print(i,"x",multiplier,"=",i*multiplier)

#可变循环

numstars=int(input("请输入你希望的星:"))
for i in range(1,numstars+1):
　　print("*")

#可变嵌套循环

numLines = int(input("请输入带星的行有几个"))
numStars = int(input("请输入一行有几颗星"))
for line in range(0,numLines):
　　for star in range(0,numStars):
　　　　print("*",end="")
　　print()

#先打印行，打印一行的时候打印星星，打印了规定数量星星后，end=""（python3）换行，再按要求打印下一行。。。。。，最后完成打印到规定的行，即可完成打印

"""numLines = int(input("请输入带星的行有几个"))
numStars = int(input("请输入一行有几颗星"))
for line in range(0,numLines):
for star in range(0,numStars):
print("*",end=""),
print("")"""

numBlock = int(input("有多少白块"))
numLines = int(input("请输入带星的行有几个"))
numStars = int(input("请输入一行有几颗星"))
for block in range(0,numBlock):
　　for line in range(0,numLines):
　　　　for star in range(0,numStars):
　　　　　　print("*",end=""),#这里是打印每行星星的数量
　　　　print("")#这里是打印多少行 print("",end="")
　　print("")#这里是分块注意缩进的使用 print("")

numBlock = int(input("有多少白块"))
for block in range(1,numBlock+1):
　　for line in range(1,block*2):
　　　　for star in range(1,(block+line)*2):
　　　　　　print("*",end=""),#这里是打印每行星星的数量
　　　　print("")#这里是打印多少行 print("",end="")
　　print("")#这里是分块注意缩进的使用 print("")

for i in range(1,6):

    print("Hi,Warrren")

print("hi,warren"*6)

for  i in range(1,8):

    print

    print('i=',i)

    print('hello, how')

    if i == 3:

        continue

    print('are you today')

#continue的用法

for i in range(1,6):

    print('i=',i)

    print('hello,how')

    if i ==3:

        break

    print('are you  today')

#break的用法

for i in range (1, 6, 2):

    print("Hi, Warren")

range(8)

suzhi = int(input("Which multiplication table would you like?"))

for i in range(1,13):

    print(suzhi,"x",i,"=",suzhi*i)

suzhi = int(input("Which multiplication table would you like?"))

i =1

while i >0 and i<13:

    print(suzhi,"x",i,"=",suzhi*i)

    i = i+1

suzhi = int(input("Which multiplication table would you like?"))

while suzhi >0 and suzhi<13:

    print(suzhi,"x",i,"=",suzhi*i)

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python#父与子编程之旅-11嵌套与可变循环

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