Python实验一 Python基础

7-1 sdut-温度转换

n = input()
n = float(n)
c = 5.0*(n-32.0)/9.0
print("%.2f" %(c))      #其中，c为变量 （方式1）

7-2 sdut-oop-1 简单的复数运算

n, m = map(int, input().split())
x = n
y = m
while 1:
    a, b, c = map(int, input().split())
    if a == 0 and b == 0 and c == 0:
        break
    if c == 1:
        x += a
        y += b
    elif c == 2:
        x -= a
        y -= b
    else :
        x = n*a - b*m
        y = n*b + m*a
    n = x
    m = y

print(x, y)

7-3 sdut-入门-转换字母

n = input()
print(n.upper())

7-4 sdut-计算球体积

while 1:
    try :
        n = input()
        n = float(n)
        PI = 3.1415926
        m = 4.0/3 * PI * n * n * n
        print("%.3f" %m)
    except :
        break;   

 7-5 sdut-数据类型-1-求班级男女生比例

n, m = map(float, input().split())
sum = float(n + m)
x = n/sum*100.0
y = m/sum*100.0
print("%.2f%%" %x, "%.2f%%" %y)

7-6 sdut-常用类-骄傲的代价

while 1:
    try:
        n = int(input())
        while n:
            n -= 1
            a, b = map(int, input().split())
            print("%d+%d=%d" %(a, b, a + b))
            print("%d-%d=%d" %(a, b, a - b))
            print("%d*%d=%d" %(a, b, a * b))
            print("%d/%d=%d" %(a, b, a // b))
            print("%d%%%d=%d" %(a, b, a % b))
    except:
        break;

7-7 sdut-求奇数分之一序列的前N项近似和

import math
a=int(input())
sum,x=0,-1
for i in range(1,a+1):
    x=x+2
    sum=sum+1/x
print("sum≈%d" %(math.ceil(sum)))

7-8 sdut-求平方与倒数序列的近似和

import math
n, m = map(int, input().split())
sum = 0.0
for i in range(n, m + 1):
    sum = sum + i*i + (1.0/i)

print("sum≈%d" %(math.floor(sum)))    #输出：12

7-9 sdut-入门-三个整数和、积与平均值

import math
a, b, c = map(int, input().split())
x = a + b + c
y = a * b * c
z = x/3.0
print("%d %d %.2f"  %(x, y, z))

7-10 sdut-入门-买糖果

import math
n = int(input())
n *= 10
x = math.floor(n/3)
y = n%3
print(x, y)