DAY3 练习

"""
英制单位英寸和公制单位厘米互换
versoin 0.1
author 罗绪成
"""
value=float(input(‘请输入长度数值:‘))
unit=input(‘请输入单位:‘)
if unit==‘in‘or unit==‘英寸‘:
    print(‘%f英寸=%f厘米‘%(value,value*2.54))
elif unit==‘cm‘or unit==‘厘米‘:
    print(‘%f厘米=%f英寸‘%(value,value/2.54))
else :
    print(‘请输入有效的单位‘)

"""‘
掷骰子游戏
version 0.1
author 罗绪成
"""
#使用random模块的randint函数生成指定范围的随机数

from random import randint

face=randint(1,6)
if face==1:
    result=‘balabla‘
elif face==2:
    result=‘kalakala‘
elif face==3:
    result=‘daladala‘
elif face==4:
    result=‘iaoaiaoa‘
elif face==5:
    result=‘jojojojo‘
else:
    result=‘didadida‘
print(result)

"""
百分制转等级制
version 0.1
author 罗绪成
"""
score = float(input(‘请输入成绩:‘))
if score >= 10:
    grade=‘也太秀了吧‘
else:
    if score == 100:
        grade = ‘学神‘
    elif score >= 85:
        grade = ‘学霸‘
    elif score >= 70:
        grade = ‘学民‘
    elif score >= 60:
        grade = ‘学弱‘
    elif socre >= 45:
        grade = ‘学渣‘
    else:
        grade = ‘学残‘
print(grade)

"""
判断输入的边长能否构成三角形
如果能够构成三角形则计算出三角形周长和面积
"""
import math
a=float(input(‘a=‘))
b=float(input(‘b=‘))
c=float(input(‘c=‘))

if a+b>c and a+c>b and b+c>a:
    print(‘周长：%f‘%(a+b+c))
    p=(a+b+c)/2
    area=math.sqrt(p*(p-a)*(p-b)*(p-c))
    print(‘面积：%f‘%area)
else:
    print(‘不能构成三角形‘)

"""
个人所得税计算器
version 0.1
author 罗绪成
"""
salary=float(input(‘月收入为:‘))
insurance=float(input(‘五险一金:‘))

diff=salary-insurance-3500
if diff<=0:
    rate=0
    deduction=0
elif diff<1500:
    rate=0.03
    deduction=0
elif diff<4500:
    rate=0.1
    deduction=105
elif diff<9000:
    rate=0.2
    deduction=555
elif diff<35000:
    rate=0.25
    deduction=1005
elif diff < 55000:
    rate = 0.3
    deduction = 2755
elif diff<80000:
    rate=0.35
    deduction=5505
else:
    rate=0.45
    deduction=13505
tax=abs(diff*rate-deduction)
print(‘个人所得税：¥%.2f元‘%tax)
print(‘实际到手收入:¥%.2f元‘%(diff+3500-tax))