1 print('hey', ' u')
2 x,y,z = 1,2,3
3 print(x, y, z)
4
5 print('x = %d, y = %d, z = %d'%(x,y,z))
6 print('x = {}, y = {}, z = {}'.format(x,y,z))
7 print(f'x = {x}, y = {y}, z = {z}')
8
9 print(x)
10 print(y)
11 print(z)
1 x1, y1 = 1.2, 3.57
2 x2, y2 = 2.26, 8.7
3 print('x1 = {}, y1 = {}'.format(x1, y1))
4 print('x2 = {}, y2 = {}'.format(x2, y2))
5 print('x1 = {:.1f}, y1 = {:.1f}'.format(x1, y1))
6 print ('x2 = {:.1f}, y2 = {:.1f}'.format(x2, y2))
7 print('x1 = {:<15.1f}, y1 = {:<15.1f}'.format(x1, y1))
8 print('x2 = {:<15.1f}, y2 = {:<15.1f}'.format(x2, y2))
9 print('x1 = {:>15.1f}, y1 = {:>15.1f}'.format(x1, y1))
10 print('x2 = {:>15.1f}, y2 = {:>15.1f}'.format(x2, y2))
1 r1 = eval('1 + 2')
2 r2 = eval('[1, 6, 7.5]')
3 print(type(r2), r2)
4 r3 = eval('"python"')
5 print(type(r3), r3)
6 r4 = eval('7, 42')
7 print(type(r4), r4)
1 x, y = eval(input('Enter two oprands: '))
2 ans = x+y
3 print(f'{x} + {y} = {ans}')
4 print(f'{type(x)} + {type(y)} = {type(ans)}')
1 ans1 = 0.1+0.2
2 print(f'0.1 + 0.2 = {ans1}')
3 from decimal import Decimal
4 ans2 = Decimal('0.1') +Decimal('0.2')
5 print(f'0.1 + 0.2 = {ans2}')
1 print(chr(0x1f600), end = " ")
2 print(chr(0x1f601), end = " ")
3 print(chr(0x1f602), end = " ")
4 print(chr(0x1f603), end = " ")
5 print(chr(0x1f604))
6 print(chr(10000), end=" ")
7 print(chr(0x025b), end=" ")
8 print(chr(0x2708), end=" ")
9 print(chr(0x00A5), end=" ")
10 print(chr(0x266b))
11 print(ord('a'), end = " ")
12 print(ord('b'), end = " ")
13 print(ord('c'))
14 print(ord('A'), end = " ")
15 print(ord('B'), end = " ")
16 print(ord('C'))
17 print(ord('0'), end = " ")
18 print(ord('1'), end = " ")
19 print(ord('2'))
1 from math import sqrt
2 n = float(input('输入一个数:'))
3 ans1 = sqrt(n)
4 ans2 = n**0.5
5 print('%.2f的平方根是: %.2f'%(n, ans1))
6 print('{:.2f}的平方根是: {:.2f}'.format(n, ans2))
7 print(f'{n:.2f}的平方根是: {ans2:.2f}')
1 from math import pi,log
2 k=5.4*10**(-3)
3 p=1.038
4 c=3.7
5 M=67
6 m=47
7 Tw=100
8 Ty=70
9 T0=eval(input("请输入一个值："))
10 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))
11 t=(pow(m,2/3)*c*pow(p,1/3))/(k*pi*pi*pow(4*pi/3,2/3))*log(0.76*4(T0-Tw)/(Ty-Tw))
12 print("{0:0.1f}\t{1:0.1f}".format(T,t))
