print('hey,u')
x,y,z = 1,2,3
print(x, y, z)
print('x = %d, y = %d, z = %d' %(x,y,z))
print('x = {}, y = {}, z ={}'.format(x,y,z))
print(f'x = {x}, y = {y}, z = {z}')
print(x)
print(y)
print(z)
print(x, end=' ')
print(y, end=' ')
print(z)
x1, y1 = 1.2, 3.57
x2, y2 = 2.26, 8.7
print('{:-^40}'.format('输出1'))
print('x1 = {}, y1 = {}'.format(x1, y1))
print('x2 = {}, y2 = {}'.format(x2, y2))
print('{:-^40}'.format('输出2'))
print('x1 = {:.1f}, y1 = {:.1f}'.format(x1, y1))
print('x2 = {:.1f}, y2 = {:.1f}'.format(x2, y2))
print('{:-^40}'.format('输出3'))
print('x1 = {:<15.1f}, y1 = {:<15.1f}'.format(x1, y1))
print('x2 = {:<15.1f}, y2 = {:<15.1f}'.format(x2, y2))
print('{:-^40}'.format('输出3'))
print('x1 = {:>15.1f}, y1 = {:>15.1f}'.format(x1, y1))
print('x2 = {:>15.1f}, y2 = {:>15.1f}'.format(x2, y2))
name1, age1 = 'Bill', 19
name2, age2 = 'Hellen', 18
title = 'Personnel Information'
print(f'{title:=^40}')
print(f'name: {name1:10} age: {age1:3}')
print(f'name: {name2:10} age: {age2:3}')
print(40*'=')
试验2
task1
r1 = eval('1 + 2')
print(type(r1), r1)
r2 = eval('1+2j')
print(type(r2), r2)
r3 = eval('"python"')
print(type(r3), r3)
r4 = eval('7, 42')
print(type(r4), r4)
task2
x, y = eval(input('Enter two oprands: '))
ans = x + y
print(f'{x} + {y} = {ans}')
print(f'{type(x)} + {type(y)} = {type(ans)}')
实验3
ans1 = 0.1 + 0.2
print(f'0.1 + 0.2 = {ans1}')
import decimal
ans2 = decimal.Decimal('0.1') + decimal.Decimal('0.2')
print(f'0.1 + 0.2 = {ans2}')
实验4
print(chr(0x1f600), end = " ")
print(chr(0x1f601), end = " ")
print(chr(0x1f602), end = " ")
print(chr(0x1f603), end = " ")
print(chr(0x1f604))
print(chr(10000), end=" ")
print(chr(0x025b), end=" ")
print(chr(0x2708), end=" ")
print(chr(0x00A5), end=" ")
print(chr(0x266b))
print(ord('a'), end = " ")
print(ord('b'), end = " ")
print(ord('c'))
print(ord('A'), end = " ")
print(ord('B'), end = " ")
print(ord('C'))
print(ord('0'), end = " ")
print(ord('1'), end = " ")
print(ord('2'))
实验5
task1
import math
n = float(input('输入一个数:'))
ans1 = n**0.5
ans2 = pow(n, 0.5)
ans3 = math.sqrt(n)
print('%.2f的平方根是: %.2f' %(n, ans1))
print('{:.2f}的平方根是: {:.2f}'.format(n, ans2))
print(f'{n:.2f}的平方根是: {ans3:.2f}')
task2
import math
text = '''
好奇心是人的天性。
理想情况下，学习新东西是让人愉快的事。
但学校里的学习似乎有点像苦役。
有时候，需要画一个大饼，每次尝试学一些新鲜的，才会每天变得更好一点点。
'''
print(text)
r = float(input('给学习画一个大饼，大饼要做的很大，半径要这么大: '))
circle = 2*math.pi*r
print(f'绕起来，大饼的圆周有这么长, {circle}, 够不够激发你探索未知的动力...')
实验6
x = eval(input('Enter a number:'))
y = pow(x,365)
print(f'{x}的365次方：{y}')
任务7
print('task7.py')
import math
T0 = int(input('T0='))
P = 1.038
c = 3.7
k = 5.4E-3
m = 67
Tw = 100
Ty = 70
t = (m**(2/3)*c*P**(1/3))/(k*math.pi**2*(4*math.pi/3)**(2/3))*math.log(0.76*(T0-Tw)/(Ty-Tw))
x=int(int(t)/60)
y=int((t%60)+0.5)
print(f'T0={T0}°c')
print(f't = {x}分{y}秒')
实验8
print('task8_1.py')
'''
家用电器销售系统
v1.0
'''
print('欢迎使用家用电器销售系统！')
print('产品和价格信息如下：')
print('*'*57)
print('%-10s'%'编号', '%-10s'%'名称', '%-10s'%'品牌', '%-10s'%'价格', '%-10s'%'库存数量')
print('-'*58)
print('%-10s'%'0001', '%-10s'%'电视机', '%-10s'%'海尔', '%10.2f'%5999.00, '%10d'%20)
print('%-10s'%'0002', '%-10s'%'冰箱', '%-10s'%'西门子', '%10.2f'%6998.00, '%10d'%15)
print('%-10s'%'0003', '%-10s'%'洗衣机', '%-10s'%'小天鹅', '%10.2f'%1999.00, '%10d'%10)
print('%-10s'%'0004', '%-10s'%'空调', '%-10s'%'格力', '%10.2f'%3900.00, '%10d'%0)
print('%-10s'%'0005', '%-10s'%'热水器', '%-10s'%'美的', '%10.2f'%688.00, '%10d'%30)
print('%-10s'%'0006', '%-10s'%'笔记本', '%-10s'%'联想', '%10.2f'%5699.00, '%10d'%10)
print('%-10s'%'0007', '%-10s'%'微波炉', '%-10s'%'苏泊尔', '%10.2f'%480.50, '%10d'%33)
print('%-10s'%'0008', '%-10s'%'投影仪', '%-10s'%'松下', '%10.2f'%1250.00, '%10d'%12)
print('%-10s'%'0009', '%-10s'%'吸尘器', '%-10s'%'飞利浦', '%10.2f'%999.00, '%10d'%9)
print('-'*58)
product_id = input('请输入您要购买的产品编号：')
price = float(input('请输入您要购买的产品价格：'))
count = int(input('请输入您要购买的产品数量：'))
print('购买成功，您需支付', price*count, '元')
print('谢谢您的光临，下次再见！')
print('task8_2.py')
'''
家用电器销售系统
v1.0
'''
print('欢迎使用家用电器销售系统！')
print('产品和价格信息如下：')
print('*'*57)
print('{:<10}'.format('编号'),'{:<10}'.format('名称'),'{:<10}'.format('品牌'),'{:<10}'.format('价格'),'{:<10}'.format('库存数量'))
print('-'*58)
print('{:<10}'.format('0001'),'{:<10}'.format('电视机'),'{:<10}'.format('海尔'),'{:<10.2f}'.format(5999.00),'{:>10}'.format(20))
print('{:<10}'.format('0002'),'{:<10}'.format('冰箱'),'{:<10}'.format('西门子'),'{:<10.2f}'.format(6998.00),'{:>10}'.format(15))
print('{:<10}'.format('0003'),'{:<10}'.format('洗衣机'),'{:<10}'.format('小天鹅'),'{:<10.2f}'.format(1999.00),'{:>10}'.format(10))
print('{:<10}'.format('0004'),'{:<10}'.format('空调'),'{:<10}'.format('格力'),'{:<10.2f}'.format(3900.00),'{:>10}'.format(0))
print('{:<10}'.format('0005'),'{:<10}'.format('热水器'),'{:<10}'.format('美的'),'{:<10.2f}'.format(688.00),'{:>10}'.format(30))
print('{:<10}'.format('0006'),'{:<10}'.format('笔记本'),'{:<10}'.format('联想'),'{:<10.2f}'.format(5699.00),'{:>10}'.format(10))
print('{:<10}'.format('0007'),'{:<10}'.format('微波炉'),'{:<10}'.format('苏泊尔'),'{:<10.2f}'.format(480.50),'{:>10}'.format(33))
print('{:<10}'.format('0008'),'{:<10}'.format('投影仪'),'{:<10}'.format('松下'),'{:<10.2f}'.format(1250.00),'{:>10}'.format(12))
print('{:<10}'.format('0009'),'{:<10}'.format('吸尘器'),'{:<10}'.format('飞利浦'),'{:<10.2f}'.format(999.00),'{:>10}'.format(9))
print('-'*58)
product_id = input('请输入您要购买的产品编号：')
price = float(input('请输入您要购买的产品价格：'))
count = int(input('请输入您要购买的产品数量：'))
print('购买成功，您需支付', price*count, '元')
print('谢谢您的光临，下次再见！')
print('task8_3py')
'''
家用电器销售系统
v1.0
'''
print('欢迎使用家用电器销售系统！')
print('产品和价格信息如下：')
print('*'*57)
print(f'{"编号":<10} {"名称":<10} {"品牌":<10} {"价格":<10} {"库存数量":<10}')
print('-'*58)
print(f'{"0001":<10} {"电视机":<10} {"海尔":<10} {5999.00:.2f} {20:10}')
print(f'{"0002":<10} {"冰箱":<10} {"西门子":<10} {6998.00:.2f} {15:10}')
print(f'{"0003":<10} {"洗衣机":<10} {"小天鹅":<10} {1999.00:.2f} {10:10}')
print(f'{"0004":<10} {"空调":<10} {"格力":<10} {3900.00:.2f} {0:10}')
print(f'{"0005":<10} {"热水器":<10} {"美的":<10} {688.00:.2f} {30:10}')
print(f'{"0006":<10} {"笔记本":<10} {"联想":<10} {5699.00:.2f} {10:10}')
print(f'{"0007":<10} {"微波炉":<10} {"苏泊尔":<10} {480.50:.2f} {33:10}')
print(f'{"0008":<10} {"投影仪":<10} {"松下":<10} {1250.00:.2f} {12:10}')
print(f'{"0009":<10} {"吸尘器":<10} {"飞利浦":<10} {999.00:.2f} {9:10}')
print('-'*58)
product_id = input('请输入您要购买的产品编号：')
price = float(input('请输入您要购买的产品价格：'))
count = int(input('请输入您要购买的产品数量：'))
print('购买成功，您需支付', price*count, '元')
print('谢谢您的光临，下次再见！')
标签：%-,10,end,format,试验,任务,print,10s From： https://www.cnblogs.com/wang6666/p/17191318.html