task1.1
1print('hey, u') 2 print('hey', ' u') 3 x,y,z = 1,2,3 4 print(x, y, z) 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 print(x) 9 print(y) 10 print(z) 11 print(x, end=' ') 12 print(y, end=' ') 13 print(z)
task1.2
1 x1, y1 = 1.2, 3.57
2 x2, y2 = 2.26, 8.7
3 print('{:-^40}'.format('输出1'))
4 print('x1 = {}, y1 = {}'.format(x1, y1))
5 print('x2 = {}, y2 = {}'.format(x2, y2))
6 print('{:-^40}'.format('输出2'))
7 print('x1 = {:.1f}, y1 = {:.1f}'.format(x1, y1))
8 print('x2 = {:.1f}, y2 = {:.1f}'.format(x2, y2))
9 print('{:-^40}'.format('输出3'))
10 print('x1 = {:<15.1f}, y1 = {:<15.1f}'.format(x1, y1))
11 print('x2 = {:<15.1f}, y2 = {:<15.1f}'.format(x2, y2))
12 print('{:-^40}'.format('输出3'))
13 print('x1 = {:>15.1f}, y1 = {:>15.1f}'.format(x1, y1))
14 print('x2 = {:>15.1f}, y2 = {:>15.1f}'.format(x2, y2))
task1.3
1 name1, age1 = 'Bill', 19
2 name2, age2 = 'Hellen', 18
3 title = 'Personnel Information'
4 print(f'{title:=^40}')
5 print(f'name: {name1:10}, age: {age1:3}')
6 print(f'name: {name2:10}, age: {age2:3}')
7 print(40*'=')
task2.1
1 r1 = eval('1 + 2')
2 print(type(r1), r1)
3 r2 = eval('[1, 6, 7.5]')
4 print(type(r2), r2)
5 r3 = eval('"python"')
6 print(type(r3), r3)
7 r4 = eval('7, 42')
8 print(type(r4), r4)
task2.2
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)}')
task3
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}')
task4
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'))
task2.1
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}')
task5.2
1 from math import pi
2 text = '''
3 好奇心是人的天性。
4 理想情况下，学习新东西是让人愉快的事。
5 但学校里的学习似乎有点像苦役。
6 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。
7 '''
8 print(text)
9 r = float(input('给学习画一个大饼，大饼要做的很大，半径要这么大: '))
10 circle = 2*pi*r
11 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
1 x=float(input("从键盘输入："))
2 y=x**(365)
3 print(x,"的365次方:",y)
task7
1 from math import pi
2 from math import log
3 p=1.038
4 c=3.7
5 K=5.4*10**(-3)
6 M=67
7 Tw=100
8 Ty=70
9 To=float(input("从键盘输入To=："))
10 t=(M**(2/3)*c*p**(1/3))/(K*pi**2*((4*pi)/3)**(2/3))*log(0.76*((To-Tw)/(Ty-Tw)))
11 print(f"To={To}°C,t={t//60}分{t%60}秒")
实验总结：
1.更加了解print（）、eval（）、chr（）、ord（）的用法。
2.在python实践和亲自编写代码的过程中加深知识学习。
