实验任务1
#task1.1
print('hey,u')
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)
#task1.2
x1,y1=1.2,3.57
x2,y2=2.26,8.7
#输出1
print('{:-^40}'.format('输出1'))
print('x1={},y1={}'.format(x1,y1))
print('x2={},y2={}'.format(x2,y2))
#输出2
print('{:-^40}'.format('输出2'))
print('x1={:.1f},y1={:.1f}'.format(x1,y1))
print('x2={:.1f},y2={:.1f}'.format(x2,y2))
#输出3
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))
#task1.3
name1,age1='Bill',19
name2,age2='Helen',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*'=')
运行结果
#task2.1 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) #task2.2 x,y=eval(input('Enter two oprands:')) ans=x+y print(f'{x}+{y}={ans}') print(f'{type(x)}+{type(y)}={type(ans)}')
task3
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}')
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'))
task5
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}') 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...')
task6
x = eval(input()) y = pow(x, 365) print(f'{x:.2f}的365次方:{y:.2f}')
task7
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')
task8.1
"""n 家用电器销售系统 v1.0 """ # 欢迎信息 print('欢迎使用家用电器销售系统!') # 产品信息列表 print('产品和价格信息如下:') print('*********************************************************') print('%-10s'%'编号','%-10s'%'名称','%-10s'%'品牌','%-10s'%'价格','%-10s'%'库存数量') print('-'*60) 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('-'*60) # 用户输入信息 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:')) # 计算金额 print('购买成功,您需要支付',price*count,'元') # 退出系统 print('谢谢您的光临,下次再见!')
task8.2
""" 家用电器销售系统 v1.0 """ # 欢迎信息 print('欢迎使用家用电器销售系统!') # 产品信息列表 print('产品和价格信息如下:') print('*********************************************************') print('{:<10s}'.format('编号'),'{:<10s}'.format('名称'),'{:<10s}'.format('品牌'),'{:<10s}'.format('价格'),'{:<10s}'.format('库存数量')) print('-'*60) print('{:<10s}'.format('0001'),'{:<10s}' .format('电视机'),'{:<10}'.format('海尔'), '{:<10.2f}'.format(5999.00), '{:<10d}'.format(20)) print('{:<10s}'.format('0002'),'{:<10s}' .format('冰箱'),'{:<10}'.format('西门子'), '{:<10.2f}'.format(6998.00), '{:<10d}'.format(15)) print('{:<10s}'.format('0003'),'{:<10s}' .format('洗衣机'),'{:<10}'.format('小天鹅'), '{:<10.2f}'.format(1999.00), '{:<10d}'.format(10)) print('{:<10s}'.format('0004'),'{:<10s}' .format('空调'),'{:<10}'.format('格力'), '{:<10.2f}'.format(3900.00), '{:<10d}'.format(0)) print('{:<10s}'.format('0005'),'{:<10s}' .format('热水器'),'{:<10}'.format('美的'), '{:<10.2f}'.format(688.00), '{:<10d}'.format(30)) print('{:<10s}'.format('0006'),'{:<10s}' .format('笔记本'),'{:<10}'.format('联想'), '{:<10.2f}'.format(5699.00), '{:<10d}'.format(10)) print('{:<10s}'.format('0007'),'{:<10s}' .format('微波炉'),'{:<10}'.format('苏泊尔'), '{:<10.2f}'.format(480.50), '{:<10d}'.format(33)) print('{:<10s}'.format('0008'),'{:<10s}' .format('投影仪'),'{:<10}'.format('松下'), '{:<10.2f}'.format(1250.00), '{:<10d}'.format(12)) print('{:<10s}'.format('0009'),'{:<10s}' .format('吸尘器'),'{:<10}'.format('飞利浦'), '{:<10.2f}'.format(999.00), '{:<10d}'.format(9)) print('-'*60) # 用户输入信息 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:')) # 计算金额 print('购买成功,您需要支付',price*count,'元') # 退出系统 print('谢谢您的光临,下次再见!')
标签:%-,10.2,end,chr,实验,print,10s From: https://www.cnblogs.com/chaomifeng/p/17191407.html