刚下午大学同学问我怎么做,一时间没想起来。后来他写出来了我问了问。如下图
这就是截取的语法。。。啊。尴尬,字符串、列表都支持截取。截取语法:
切片语法:[起始:结束:步长],步长默认为1,可为负数,切片区间左闭右开
练习1:全部遍历
company = [ "Sun", "Taobao","Baidu", "Google"]
for site in company:
print(site)
输出
Sun
Taobao
Baidu
Google
练习2:第二个元素遍历
company = [ "Sun", "Taobao","Baidu", "Google"]
for site in company[1:]:
print(site)
输出
Taobao
Baidu
Google
有时候思维要活跃点啊。。。