将制表符大小设置为指定的空格数

txt = "Canada\tis\ta\tgreat\tcountry"
print(txt)
print(txt.expandtabs())
print(txt.expandtabs(2))
print(txt.expandtabs(4))
print(txt.expandtabs(10))

Output:

Canada    is    a    great    country
Canada  is      a       great   country
Canada  is  a great country
Canada  is  a   great   country
Canada    is        a         great     country