python字符串format
用法一:
template
= 'Hello {}'
world
= 'World'
result
= template
.format(world
)
print(result
)
输出:Hello World
用法二:选择顺序
tempalte
= 'Hello{0},{1},{0},{2}'
result
= tempalte
.format('张三','李四','王五')
print(result
)
输出:Hello张三,李四,张三,王五
tempalte
= 'Hello{2},{1},{0}'
result
= tempalte
.format('张三','李四','王五')
print(result
)
输出:Hello王五,李四,张三
用法三:命名式
tempalte
= 'Hello{z},{l},{w}'
result
= tempalte
.format(z
= '张三',l
='李四',w
='王五')
print(result
)
输出:Hello张三,李四,王五
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