python—小例子

#母鸡3元一只，公鸡1元一只,小鸡0.5元/只
# 一种
i = 1
g=0#公鸡可以买的
while g <=100:
    m = 0
    # 母鸡可买数量
    while m <= 33:
        #小鸡数量
       # x = 100-m-g
        x= 0
        while x <=100:
            if ( x + g+m == 100 )and ((3*m) + (g*1)+(x*0.5) ==100):
                print(x,g,m, '方法有',i)
                i += 1
            x +=1
        m +=1
    g +=1


'''
#母鸡3元一只，公鸡1元一只,小鸡0.5元/只
i = 0
for m in range(0,34):#母鸡
    for g in range(0,101):#公鸡
        for x in range(0,100):
             if (x+g+m==100)and( 3*m + 1*g + x*0.5 ==100):
                    i +=1
                    print(x,g,m)
print(i)


#九九乘法
#左下角
i = 1
while i <=9:
    j =1
    while j <= i:
        print(' X*Y ' ,end='')
        j += 1
    print()
    i +=1
#右上角
i = 9
while i >= 1:
    k = 1
    while k <= 9-i:
        print(' '*13,end = '')
        k += 1
    j = 1
    while j<= i:
        print("%d * %d = %-4d"%(i,j,i*j),end = ' ')
        j += 1
    print()
    i -= 1


#星星
#十行星星
i = 0
while i < 10:
    j = 0
    while j < 10:
        print('*',end='')
        j +=1
    print()
    i +=1

#一种循环十行星星
i = 0
while i < 100:
    print('*',end='')
    if i % 10 ==9:
         print('')
    i +=1

#行变星星
i = 0
while i < 10:
    j = 0
    while j < 10:
        if i % 2 == 0:
            print('*' , end='')
        else:
            print('^' , end='')
        j += 1
    print()
    i += 1

#列边星星
i = 0
while i < 10:
    j = 0
    while j < 10:
        if j % 2 == 0:
            print('*' , end='')
        else:
            print('^' , end='')
        j += 1
    print()
    i += 1

#菱形

s = '*'
for i in range(1,8,2):
    print((s*i).center(7,'^'))
for i in reversed(range(1, 6, 2)):
    print((s*i).center(7))


#判断有没有4
i = 0
while i < 100:
    if '4' in str(i):
        i +=1
        continue
    print(i)
    i+=1
'''