您的方式是pythonic但不正确,它还会计算其他空格字符,只计算明确的空格
a.lstrip(' '):a = " rtntfoo bar baz qua n"print "Leading spaces", len(a) - len(a.lstrip())>>> Leading spaces 7print "Leading spaces", len(a) - len(a.lstrip(' '))>>> Leading spaces 3
您的方式是pythonic但不正确,它还会计算其他空格字符,只计算明确的空格
a.lstrip(' '):a = " rtntfoo bar baz qua n"print "Leading spaces", len(a) - len(a.lstrip())>>> Leading spaces 7print "Leading spaces", len(a) - len(a.lstrip(' '))>>> Leading spaces 3