填充和截断字符串组合
假设你要在 3 个字符的列中打印变量。
注意:加倍 {
和 }
转义它们。
s = """
pad
{{:3}} :{a:3}:
truncate
{{:.3}} :{e:.3}:
combined
{{:>3.3}} :{a:>3.3}:
{{:3.3}} :{a:3.3}:
{{:3.3}} :{c:3.3}:
{{:3.3}} :{e:3.3}:
"""
print (s.format(a="1"*1, c="3"*3, e="5"*5))
输出:
pad
{:3} :1 :
truncate
{:.3} :555:
combined
{:>3.3} : 1:
{:3.3} :1 :
{:3.3} :333:
{:3.3} :555: