实验任务1
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1 print('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)
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task1_2.py
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1 1, y1 = 1.2, 3.57
2 x2, y2 = 2.26, 8.7
3 print('{:-^40}'.format('输出1')) # {:-^40}控制输出数据格式: 宽度占40列，居中对齐，空白处用-补齐
4 print('x1 = {}, y1 = {}'.format(x1, y1))
5 print('x2 = {}, y2 = {}'.format(x2, y2))
6 print('{:-^40}'.format('输出2')) # {:-^40}控制输出数据格式: 宽度占40列，居中对 齐，空白处用-补齐
7 print('x1 = {:.1f}, y1 = {:.1f}'.format(x1, y1)) # {:.1f}控制小数输出精度，保留 1位小数
8 print('x2 = {:.1f}, y2 = {:.1f}'.format(x2, y2))
9 print('{:-^40}'.format('输出3')) # {:-^40} 控制输出数据格式: 宽度占40列，居中对 齐，空白处用-补齐
10 print('x1 = {:<15.1f}, y1 = {:<15.1f}'.format(x1, y1)) # {:<15.1f}控制数据输出 宽度占15列，小数部分占1列，左对齐，空白处默认补空格
11 print('x2 = {:<15.1f}, y2 = {:<15.1f}'.format(x2, y2))
12 print('{:-^40}'.format('输出3')) # {:-^40} 控制输出数据格式: 宽度占40列，居中对 齐，空白处用-补齐
13 print('x1 = {:>15.1f}, y1 = {:>15.1f}'.format(x1, y1)) # {:>15.1f}控制数据输出 宽度占15列，小数部分占1列，右对齐，空白处默认补空格
14 print('x2 = {:>15.1f}, y2 = {:>15.1f}'.format(x2, y2))
15
16
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task1_3.py
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1 name1, age1 = 'Bill', 19
2 name2, age2 = 'Hellen', 18
3 title = 'Personnel Information'
4 print(f'{title:=^40}') # 输出title的值，=^40指定输出宽度占40列，居中对齐，用=填充空 白
5 print(f'name: {name1:10}, age: {age1:3}') # 10和3分别指定数据项输出宽度
6 print(f'name: {name2:10}, age: {age2:3}')
7 print(40*'=')
8
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task2_1.py
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1 r1 = eva l('1 + 2') # 相当于r1 = 1 + 2
2 print(type(r1), r1)
3
4 r2 = eva l('[1, 6, 7.5]') #相当于r2 = [1, 6, 7.5]
5 print(type(r2), r2)
6
7 r3 = eva l('"python"') # 相当于r3 = "python"
8 print(type(r3), r3)
9
10 r4 = eva l('7, 42') # 相当于r4 = 7, 43
11 print(type(r4), r4)
12
13
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task2_2.py
(1)
1 x, y = eva l(input('Enter two oprands:1,22.5 ')) # 输入的两个操作数之间用逗号分隔（英文半角 输入法下的逗号）
2 ans = x + y
3 print(f'{x} + {y} = {ans}')
4 print(f'{type(x)} + {type(y)} = {type(ans)}')
5
(2)
1 x, y = eva l(input("Enter two oprands:'hi','python' ")) # 输入的两个操作数之间用逗号分隔（英文半角 输入法下的逗号）
2 ans = x + y
3 print(f'{x} + {y} = {ans}')
4 print(f'{type(x)} + {type(y)} = {type(ans)}')
5
(3)
1 x, y = eva l(input("Enter two oprands:[1,2,3],[4,5,6] ")) # 输入的两个操作数之间用逗号分隔（英文半角 输入法下的逗号）
2 ans = x + y
3 print(f'{x} + {y} = {ans}')
4 print(f'{type(x)} + {type(y)} = {type(ans)}')
5
3.实验任务3
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1 ans1 = 0.1 + 0.2
2 print(f'0.1 + 0.2 = {ans1}')
3
4 from decimal import Decimal
5
6 ans2 = Decimal('0.1') + Decimal('0.2')
7 print(f'0.1 + 0.2 = {ans2}')
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4.实验任务4
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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)) # ord()返回字符的unicode编码
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'))
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