【log3】变量和简单数据类型3

No.	Error	Correction	Notes
1	a=” python ” print(a.strip())	a=" python " a=a.strip() print(a)	.strip()暂时删除前后空白； 将新值重新赋给原来的变量
2	Print(“Albert Einstein once said, ‘A person who never made a mistake never tried anything new.’”)	Print(‘Albert Einstein once said, “A person who never made a mistake never tried anything new.”’)	在Python中，字符串可以使用单引号或双引号来创建 使用‘’来输出含有“”的字符串

1.删除空白 剥除函数 .strip()

1.1删除左空白 .lstrip()

1.2删除右空白 .rstrip()

2.四则运算

2.1加减乘除乘方+-*/**

2.1运算顺序 ()优先