python学习day05

if判断

name=input('请输入你的昵称：')
if name=='608':print('你好，608')
if name=='qwq':print('你好，qwq')print('qwq')

if...else...

name=input('你的名字是：')
if name=='608':print('答对了哦qwq')
else:print('不对哦qwq')

qwq_age=19
age=input('猜猜我的岁数吧qwq：')
age=int(age)   # 注意要转换数据类型
if age==qwq_age:print('！！！猜对了哦qwq')
else:print('猜错了哦qwq')

if ...elif..else

qwq_age=19
age=input('猜猜我的岁数吧qwq：')
age=int(age)   # 注意要转换数据类型
if age==qwq_age:print('！！！猜对了哦qwq')
elif age>qwq_age:print('你猜的年龄太大了哦qwq')
elif age<qwq_age:print('你猜的年龄太小了哦qwq')

if的嵌套

if():if():

qwq_age=19
age=input('猜猜我的岁数吧qwq：')
age=int(age)
if age!=qwq_age:if age>qwq_age:print('你猜的年龄太大了哦qwq')if age<qwq_age:print('你猜的年龄太小了哦qwq')
if age==qwq_age:print('！！！猜对了哦qwq')

while循环

qwq_age=19
while True:age=input('猜猜我的岁数吧qwq：')age=int(age)if age!=qwq_age:if age>qwq_age:print('你猜的年龄太大了哦qwq')if age<qwq_age:print('你猜的年龄太小了哦qwq')if age==qwq_age:print('！！！猜对了哦qwq')break

prize={0:'money',1:'health',2:'knowledge',3:'rio_love'}
qwq_age=19
while True:age=input('猜猜我的岁数吧qwq：')age=int(age)if age!=qwq_age:if age>qwq_age:print('你猜的年龄太大了哦qwq')if age<qwq_age:print('你猜的年龄太小了哦qwq')if age==qwq_age:print(f'！！！猜对了哦qwq\n请选择下列奖励中的一个:{prize}')while True:choice=input('请输入你的选择：')choice=int(choice)if choice in[0,1,2]:print(f'你不可以选择{prize[choice]}\n请重新选择')if choice==3:print(f'你选择了{prize[choice]}，调月莉音赛高')breakbreak

count=1 
while count<101:if count==50:count+=1continueprint(count)count+=1

for循环

todo_list=['get up','study','eating','sleep']
ind=0
while ind<len(todo_list):print(todo_list[ind])ind+=1
for i in todo_list:print(i)

for+break

todo_list=['get up','study','eating','sleep']
ind=0
for i in todo_list:if i =='eating':breakprint(i)

for+continue

todo_list=['get up','study','eating','sleep']
ind=0
for i in todo_list:if i =='eating':continueprint(i)

for+else

todo_list=['get up','study','eating','sleep']
ind=0
for i in todo_list:if i =='eating':continueprint(i)
else:print('我没有被break掉哦qwq')

todo_list=['get up','study','eating','sleep']
ind=0
for i in todo_list:if i =='eating':breakprint(i)
else:print('我被break掉啦qwq')

i='loading'
import time
while True:print(i)i=i+'.'time.sleep(1)if i=='loading.......':break

import time
print('loading',end='')
for i in range(6):print('.',end='')time.sleep(1)