实验一
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)
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')) # {:-^40} 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*'=')
r1 = eval('1 + 2') print(type(r1), r1) r2 = eval('[1, 6, 7.5]') print(type(r2), r2) r3 = eval('"python"') print(type(r3), r3) r4 = eval('7, 42') print(type(r4), r4)
x, y = eval(input('Enter two oprands: ')) ans = x + y print(f'{x} + {y} = {ans}') print(f'{type(x)} + {type(y)} = {type(ans)}')
ans1 = 0.1 + 0.2 print(f'0.1 + 0.2 = {ans1}') from decimal import Decimal ans2 = Decimal('0.1') + 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'))
from math import sqrt n = float(input('输入一个数:')) ans1 = sqrt(n) ans2 = n**0.5 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: {ans2:.2f}')
from math import pi 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*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...')
x=eval(input("请从1.0,1.01,0.99中选择一个输入:"))
y=x**365
print(f"{x}的365次方:{y}")
import math p=1.038 c=3.7 k=0.0054 m1=47 # 小鸡蛋的重量 m2=67 # 大鸡蛋的重量 Tw=100 Ty=70 t0=int(input("输入鸡蛋原始温度:")) t=m2**(2/3)*c*p**(1/3)*math.log(0.76*(t0-Tw)/(Ty-Tw))/math.log(math.e)/(k*math.pi**2*(4*math.pi/3)**(2/3)) print(f"T0= {t0} °C,t = {t // 60:2g} 分 {t % 60:.0f}秒")