#保证字体正常
# -*- coding: utf-8 -*-#添加可自动生成相关数据，方便将来查阅
"""
@author: freshman2233
@software: ${PRODUCT_NAME}
@file: ${NAME}.py
@time: ${DATE} ${TIME}
"""#注释
'''
#这是我的第一个python程序
print("hello,world")#这是单行注释
'''
'''
这是一行注释
这是两行注释
'''#变量
'''
a=5
print("这是变量:",a)t_007="T007"
print(t_007)
'''#格式化输出
'''
age=18
print("我的年龄是%d岁"%age)
print("我的名字是%s,我的国籍是%s"%("小张","中国"))
'''#特殊输出
'''
print("aaa","bbb","ccc")
print("www","baidu","com",sep=".")
print("hello",end="")
print("world",end="\t")
print("python",end="\n")
print("end")
'''#输入
'''
password=input("请输入密码")#默认为字符串类型
print("您刚刚输入的密码是:",password)
'''#测类别
'''
a=10
print(type(a))
'''#强制类型转换
'''
a=int("123")
print(type(a))
b=a+100
print(b)c=int(input("输入数字"))
print(c)
'''#条件判断
'''
if True:print("True")print("Answer")
else:print("False")
print("end")score=77
if score>=90 and score<=100:print("本次考试，等级为A")
elif score>=80 and score<90:print("本次考试等级为B")
else:print("本次考试，等级为E")
'''#引入随机数
'''
import random   #引入随机数
x=random.randint(0,2)   #0-2的随机数
'''#for循环
'''
for i in range(5):print(i)# 0 1 2 3 4
for i in range(0,10,3):#从0开始，10结束，每次加3print(i)#0 3 6 9
for i in range(-10,-100,-30):print(i)#-10 -40 -70 -100name="chengdu"
for x in name:print(x,end="\t")a=["aa","bb","cc","dd"]
for i in range(len(a)):print(i,a[i])
'''#while循环
'''
i=0
while i<5:print("当前是第%d次循环"%(i+1))print("i=%d"%i)i+=1
'''#1-100求和
'''
sum=0
for i in range(101):sum+=i
print(sum)n=100
sum=0
counter=1
while counter<=n:sum+=countercounter+=1
print("1到%d的和为：%d"%(n,sum))
'''#while中不满足条件执行else
'''
count=0
while count<5:print(count,"小于5")count+=1
else:print(count,"大于或等于5")
'''#break continue pass
'''
i=0
while i<10:i+=1print("-"*30)if i==5:break   #结束循环print(i)i=0
while i<10:i+=1print("-"*30)if i==5:continue    #结束本次循环print(i)
'''