键盘上输入一串字符,程序将其倒着输出来。 例如输入:abcd13x 屏幕输出:x31dcba def change(s): return 2 分 n=input( ) print( 2 分 )python
时间: 2024-02-29 15:55:49 浏览: 36
def change(s):
return s[::-1]
n = input()
print(change(n))
这是一个简单的 Python 代码,先定义了一个名为 change 的函数,参数为字符串 s,函数返回 s 的反转字符串。接着从键盘读入一个字符串 n,然后调用函数 change 将 n 反转并输出。注意,[::-1] 表示反转字符串的 Python 语法。
相关问题
将下面一段ASCii码转换为字符:110011011011001100001110011111110111100111100011110011100001100010110010110010011001010110111000111001011100001110011010110111010011000011100100111000101101111000110011110000111000010110111010111001111000011000111100001110010111000111101101100111100101110000111001011111101
这段ASCII码由0和1组成的二进制数,每8位二进制数组成一个字节(一个ASCII字符),因此我们可以将其每8位分割开来,并将其转换为相应的ASCII字符,具体转换如下:
"11001101" -> 205
"10110011" -> 179
"00011100" -> 28
"11111110" -> 254
"01111001" -> 121
"11100111" -> 231
"11000111" -> 199
"00110001" -> 49
"01001101" -> 77
"00100101" -> 37
"01011000" -> 88
"11100011" -> 227
"10011100" -> 156
"00111001" -> 57
"11100100" -> 228
"01110011" -> 115
"01011011" -> 91
"11101010" -> 234
"01001100" -> 76
"01111000" -> 120
"10011100" -> 156
"01011110" -> 94
"11100011" -> 227
"10011100" -> 156
"01011110" -> 94
"11101000" -> 232
"11000110" -> 198
"11110001" -> 241
"00111000" -> 56
"00000011" -> 3
"01011011" -> 91
"01111010" -> 122
"11011001" -> 217
"10000111" -> 135
"10011100" -> 156
"01011111" -> 95
"11111101" -> 253
因此,将这段ASCII码转换为字符后得到的字符串是:"\xcd\xb3\x1c\xfey\xe7\xc7\x31\x4d\x25X\xe3\x9c9\xe4s\x5b\xeaLx\x9c^\xe3\x9c^\xea\xc6\xf1\x38\x03[\x7az\xd9\x87\x9c_\xfd"。
对X11 X12 X13 X14 X15 X21 X22 X23 X24 X25 X31 X32 X33 X41 X42 X43 X51进行归一化的stata代码
以下是对X11 X12 X13 X14 X15 X21 X22 X23 X24 X25 X31 X32 X33 X41 X42 X43 X51进行归一化的Stata代码:
```
* 定义变量的最小值和最大值
local min_x11 = r(min) if var == "X11"
local max_x11 = r(max) if var == "X11"
local min_x12 = r(min) if var == "X12"
local max_x12 = r(max) if var == "X12"
local min_x13 = r(min) if var == "X13"
local max_x13 = r(max) if var == "X13"
local min_x14 = r(min) if var == "X14"
local max_x14 = r(max) if var == "X14"
local min_x15 = r(min) if var == "X15"
local max_x15 = r(max) if var == "X15"
local min_x21 = r(min) if var == "X21"
local max_x21 = r(max) if var == "X21"
local min_x22 = r(min) if var == "X22"
local max_x22 = r(max) if var == "X22"
local min_x23 = r(min) if var == "X23"
local max_x23 = r(max) if var == "X23"
local min_x24 = r(min) if var == "X24"
local max_x24 = r(max) if var == "X24"
local min_x25 = r(min) if var == "X25"
local max_x25 = r(max) if var == "X25"
local min_x31 = r(min) if var == "X31"
local max_x31 = r(max) if var == "X31"
local min_x32 = r(min) if var == "X32"
local max_x32 = r(max) if var == "X32"
local min_x33 = r(min) if var == "X33"
local max_x33 = r(max) if var == "X33"
local min_x41 = r(min) if var == "X41"
local max_x41 = r(max) if var == "X41"
local min_x42 = r(min) if var == "X42"
local max_x42 = r(max) if var == "X42"
local min_x43 = r(min) if var == "X43"
local max_x43 = r(max) if var == "X43"
local min_x51 = r(min) if var == "X51"
local max_x51 = r(max) if var == "X51"
* 进行归一化
replace X11 = (X11 - `min_x11') / (`max_x11' - `min_x11') if var == "X11"
replace X12 = (X12 - `min_x12') / (`max_x12' - `min_x12') if var == "X12"
replace X13 = (X13 - `min_x13') / (`max_x13' - `min_x13') if var == "X13"
replace X14 = (X14 - `min_x14') / (`max_x14' - `min_x14') if var == "X14"
replace X15 = (X15 - `min_x15') / (`max_x15' - `min_x15') if var == "X15"
replace X21 = (X21 - `min_x21') / (`max_x21' - `min_x21') if var == "X21"
replace X22 = (X22 - `min_x22') / (`max_x22' - `min_x22') if var == "X22"
replace X23 = (X23 - `min_x23') / (`max_x23' - `min_x23') if var == "X23"
replace X24 = (X24 - `min_x24') / (`max_x24' - `min_x24') if var == "X24"
replace X25 = (X25 - `min_x25') / (`max_x25' - `min_x25') if var == "X25"
replace X31 = (X31 - `min_x31') / (`max_x31' - `min_x31') if var == "X31"
replace X32 = (X32 - `min_x32') / (`max_x32' - `min_x32') if var == "X32"
replace X33 = (X33 - `min_x33') / (`max_x33' - `min_x33') if var == "X33"
replace X41 = (X41 - `min_x41') / (`max_x41' - `min_x41') if var == "X41"
replace X42 = (X42 - `min_x42') / (`max_x42' - `min_x42') if var == "X42"
replace X43 = (X43 - `min_x43') / (`max_x43' - `min_x43') if var == "X43"
replace X51 = (X51 - `min_x51') / (`max_x51' - `min_x51') if var == "X51"
```
在这个代码中,我们首先定义了每个变量的最小值和最大值,然后使用Stata的replace命令,将每个变量的值归一化到0和1之间。请注意,这个代码假定你的变量名是X11、X12、X13、X14、X15、X21、X22、X23、X24、X25、X31、X32、X33、X41、X42、X43和X51。如果你的变量名不同,你需要相应地修改代码。