¶TBD

1. iterate two lists

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2
3
4

a1 = ['CHN', 'SG','MY']
b2 = ['people', 'hill', 'durian']
for key, value in zip(a1, b2):
	print(key ' has ' value)

2. index with a list

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2

a1 = ['CHN', 'SG','MY']
id_a1 = {num: value for value, num in enumerate(a1)}

3. list to str

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2

a1 = ['CHN', 'SG','MY']
print(','.join(a1))

列表插入值：a[1:1] = [3,4]
保留首尾：a[1:-1]

3. zip

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matrix = [[1, 2, 3] , [4, 5, 6]]
res = zip(*matrix)
print(res)
## [(1, 4), (2,5), (3, 6)]

¶6.28

21: Heidi won the world over by with forever for oval the cute but slightly confused look.

won the world over…
appearance/ expression/ look
with her
slightly
confused look

¶wget

wget是Linux常用的一个下载文件的命令

1. 碰到&等特殊字符需要加上双引号
2. 重命名保存,由于会以最后一个"/"作为名字

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wget -O [newname] [url]

3. 限速下载(默认bytes/s )

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wget --limit-rate=50k [url]

4. 后台下载

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wget -b [url]

tail -f wget-log

Love is a touch and yet not a touch.
Let’s in each other’s shadow.

爱是想触碰又收回手。
做彼此的影子也好。