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### %run
%run¶
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%run myscript/hello.py
hello Machine Learning !
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hello("天剑云炬网络科技有限公司")
hello 天剑云炬网络科技有限公司 !
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import mymodule.FirstML
. . .
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mymodule.FirstML.predict(1)
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from mymodule import FirstML
FirstML.predict(2)
?
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### %timeit
%timeit¶
In [6]:
x
%timeit L=[i**2 for i in range(1000)]
492 µs ± 62 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
. . .
In [7]:
x
%timeit L=[i**2 for i in range(1000000)]
561 ms ± 87.9 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)
. . .
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%timeit L=[i**2 for i in range(10)]
4.89 µs ± 711 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each)
. . .
In [9]:
x
%%timeit
L = []
for n in range(1000):
L.append(n ** 2)
532 µs ± 53.6 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
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### %time
%time¶
In [10]:
%time L=[i**2 for i in range(1000)]
Wall time: 1 ms
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%%time
L = []
for n in range(1000):
L.append(n ** 2)
Wall time: 1 ms
. . .
In [12]:
x
import random
L= [random.random() for i in range(100000)]
%timeit L.sort()
1.05 ms ± 141 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
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In [13]:
x
import random
L= [random.random() for i in range(100000)]
%time L.sort()
Wall time: 26 ms
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%time L.sort()
Wall time: 3 ms
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### 其他魔法命令
其他魔法命令¶
In [15]:
%lsmagic
Out[15]:
Available line magics:
%alias %alias_magic %autoawait %autocall %automagic %autosave %bookmark %cd %clear %cls %colors %conda %config %connect_info %copy %ddir %debug %dhist %dirs %doctest_mode %echo %ed %edit %env %gui %hist %history %killbgscripts %ldir %less %load %load_ext %loadpy %logoff %logon %logstart %logstate %logstop %ls %lsmagic %macro %magic %matplotlib %mkdir %more %notebook %page %pastebin %pdb %pdef %pdoc %pfile %pinfo %pinfo2 %pip %popd %pprint %precision %prun %psearch %psource %pushd %pwd %pycat %pylab %qtconsole %quickref %recall %rehashx %reload_ext %ren %rep %rerun %reset %reset_selective %rmdir %run %save %sc %set_env %store %sx %system %tb %time %timeit %unalias %unload_ext %who %who_ls %whos %xdel %xmode
Available cell magics:
%%! %%HTML %%SVG %%bash %%capture %%cmd %%debug %%file %%html %%javascript %%js %%latex %%markdown %%perl %%prun %%pypy %%python %%python2 %%python3 %%ruby %%script %%sh %%svg %%sx %%system %%time %%timeit %%writefile
Automagic is ON, % prefix IS NOT needed for line magics.
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%run?
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In [ ]:
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