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)
x2, y2 = 2.26, 8.7 print('x1 = {}, y1 = {}'.format(x1, y1)) print('x2 = {}, y2 = {}'.format(x2, y2)) print('x1 = {:.1f}, y1 = {:.1f}'.format(x1, y1)) print ('x2 = {:.1f}, y2 = {:.1f}'.format(x2, y2)) print('x1 = {:<15.1f}, y1 = {:<15.1f}'.format(x1, y1)) print('x2 = {:<15.1f}, y2 = {:<15.1f}'.format(x2, y2)) print('x1 = {:>15.1f}, y1 = {:>15.1f}'.format(x1, y1)) print('x2 = {:>15.1f}, y2 = {:>15.1f}'.format(x2, y2))
r1 = eval('1 + 2') 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...')
from math import sqrt x=float(input("输入一个数:")) ans1=sqrt(x) ans2=x**365 print('%.2f的365次方是:%.2f'%(x,ans2))
from math import pi,log k=5.4*10**(-3) p=1.038 c=3.7 M=67 m=47 Tw=100 Ty=70 T0=eval(input("请输入一个值:")) T=(pow(M,2/3)*c*pow(p,1/3))/(k*pi*pi*pow(4*pi/3,2/3))*log(0.76*(T0-Tw)/(Ty-Tw)) t=(pow(m,2/3)*c*pow(p,1/3))/(k*pi*pi*pow(4*pi/3,2/3))*log(0.76*(T0-Tw)/(Ty-Tw)) print("{0:0.1f}\t{1:0.1f}".format(T,t))