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#!/bin/bash | |
# Tom Hale, 2016. MIT Licence. | |
# Print out 256 colours, with each number printed in its corresponding colour | |
# See http://askubuntu.com/questions/821157/print-a-256-color-test-pattern-in-the-terminal/821163#821163 | |
set -eu # Fail on errors or undeclared variables | |
printable_colours=256 |
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# 单行注释 | |
""" 多行字符串可以用 | |
三个引号包裹,不过这也可以被当做 | |
多行注释 | |
""" | |
#################################################### | |
## 1. 原始数据类型和操作符 | |
#################################################### |