for i in range(0,10,2):print("i love you")

for i in range(0,10):print("i love you")

for i in range(5):print("i love you")

for i in range(5):if i == 2:breakprint(i)

for i in range(5):if i == 2:continueprint(i)

while True:while True:break            #跳出的是第二个while，但还是要打印2print(1)print(2)break                 #跳出的是第一个while，但还是要打印3
print(3)

i = 0
string = "i love you"
while i < len(string):print(i)i += 1

i = 0
string = "i love you"
length = len(sring)
while i < length:print(i)i += 1

answer = 'i love you'
times = 3while times:times -= 1key = str(input('请输入密码:'))if key == answer:print('密码正确，进入程序....')breakelif "*" in key:print('密码中不能含有"*"号！您还有3次机会!',end = ' ')continueelif times == 0:print('账号已被绑定，请等待十分钟！！！')else:  print('密码输入错误！你还有',times,'次机会!',end = ' ')

count = 3
password = 'FishC.com'while count:passwd = input('请输入密码：')if passwd == password:print('密码正确，进入程序......')breakelif '*' in passwd:print('密码中不能含有"*"号！您还有', count, '次机会！', end=' ')continueelse:print('密码输入错误！您还有', count-1, '次机会！', end=' ')    count -= 1

for i in range(100,1000):result = 0               #给变量起名时，尽量注意不要使用内置函数temp = iwhile temp:result = result + (temp%10)**3  #temp是随着下面的公式变化的temp //= 10      #地板除的使用if result = i:           #判断幂的和等于数值的大小print(i)    

for i in range(100, 1000):sum = 0temp = iwhile temp:sum = sum + (temp%10) ** 3temp //= 10         # 注意这里要使用地板除哦~if sum == i:print(i)

print('red\tyellow\tgreen')
for red in range(0,4):for yellow in range(0,4):for green in range(2,7):     #绿色必须有两个if red + yellow + green =  8:print(red,'\t',yellow,'\t',green,'\t')

for i in range(0,4):print(i)

for i in range(2,7):print(i)