安装索引

python3.7环境安装

在vim编辑器中安装配置实现在编辑器中检验脚本的运行状况

1.vim编辑器的配置文件为：/etc/vimrc
通过：sudo vim /etc/vimrc 打开vim的配置文件
在结尾添加如下内容即可指定F5为测试脚本的快捷键：
注：此方式便于对脚本进行单元测试。

map <F5> :call CompileRunGcc()<CR>
func! CompileRunGcc()
    exec "w"
    if &filetype == 'c'
        exec "!g++ % -o %<"
        exec "!time ./%<"
    elseif &filetype == 'cpp'
        exec "!g++ % -o %<"
        exec "!time ./%<"
    elseif &filetype == 'java'
        exec "!javac %"
        exec "!time java %<"
    elseif &filetype == 'sh'
        :!time bash %
    elseif &filetype == 'python'
        exec "!time python2.7 %"
        exec "!time python3.6 %"
    elseif &filetype == 'html'
        exec "!firefox % &"
    elseif &filetype == 'go'
        exec "!go build %<"
        exec "!time go run %"
    elseif &filetype == 'mkd'
        exec "!~/.vim/markdown.pl % > %.html &"
        exec "!firefox %.html &"
    endif
endfunc

示例
vim testF5.py
在编辑python时，当有中文输出或注释时，出现错误提示：SyntaxError: Non-ASCII character ‘\xe7’ in file …

在当前的.py文件的开头写上：

#-- coding:UTF-8 --    或者    #coding=UTF-8   （必须在首行添加，否则无法执行）
x=input("请输入数字:")#基本输入为字串形态
x=int(x)#转换为整数形态
if x>200:
        print("大于200")
elif x>100:
        print("大于100,小于200");
else:
        print("小于100");

执行直接按F5
Press ENTER or type command to continue
请输入数字:120
大于100,小于200

real 0m9.273s
user 0m0.007s
sys 0m0.001s
返回直接按Tab返回，输入集合，F5执行

集合
交集和并集-符号 &和 |
差集和反交集-符号 -和^

S1={3,4,5}
S2={4,5,6}
S3=S1&S2

Press ENTER or type command to continue
set([4, 5])

S1={3,4,5}
S2={4,5,6}
S3=S1|S2
print(S3)

结果：Press ENTER or type command to continue
set([3, 4, 5, 6])

S1={3,4,5}
S2={4,5,6}
S3=S1-S2

结果：Press ENTER or type command to continue
set([3])

S1={3,4,5}
S2={4,5,6}
S3=S1^S2

结果：Press ENTER or type command to continue
set([3, 6])

判断集合 in 或 not in

S1={3,4,5}
S2={4,5,6,7}
S3=S1&S2
print(S3)

结果:Press ENTER or type command to continue
set([4, 5])

S1={3,4,5}
print(6 in S1)

结果：Press ENTER or type command to continue
False

S1={3,4,5}
print(6 in S1)

结果：Press ENTER or type command to continue
False

S1={3,4,5}
print(6 not in  S1)

结果：Press ENTER or type command to continue
True

字典 键值对（Key-Value）
判断键值对用 in 和 not in 删除用 delete

dic={x:x*2 for x in [3,4,5]}
print(dic)

结果：Press ENTER or type command to continue
{3: 6, 4: 8, 5: 10}

四则运算

n1=int(input("请输入数字一:"))
n2=int(input("请输入数字二:"))
print(n1+n2)#可以用加减乘除的符号（+、-、*、/）
Press ENTER or type command to continue
请输入数字一:1
请输入数字二:1
2a=1
b=2
c=3
ans=(a+b+c)/3
print(ans)  

if 判断

chinese = 56
english = 46
math = 100
if chinese == 100 and english == 100  and math == 100:
        print("Pass");
else:
        print("Fail")

结果：Press ENTER or type command to continue
Fail

chinese = 56
english = 46
math = 100
if chinese == 100 or english == 100  or math == 100:
        print("Pass");
else:
        print("Faile");

结果：Press ENTER or type command to continue
Pass
累加

i=0
i=i+1;
i=i+1
print(i);

结果：Press ENTER or type command to continue
2

for 循环

for i in range(0,2):
        print("Hello")

结果：
Press ENTER or type command to continue
Hello
Hello

while 循环

i=0;
while(i<10):
        print("Hello")
i+=1;

结果：Hello

程式

def f(x):
        return x+3
def f(x):
        return x+3
print(f(2))

结果：Press ENTER or type command to continue
5