Python 包含字符串和整数的二维列表
我有一个二维列表;i、 e.包含整数和字符串的嵌套列表Python 包含字符串和整数的二维列表,python,python-3.x,Python,Python 3.x,我有一个二维列表;i、 e.包含整数和字符串的嵌套列表 mylist = [[92, "james"], [88, "john"], [75, "robert"], [80, "michael"], [25, "william"], [54, "david"], [59, "richard"], [74, "charles"], [46, "joseph"], [90, "thomas"], [80, "christopher"]] 我只想找出一种方法来遍历字符串,检查它们是否以特定的字母开头
mylist = [[92, "james"], [88, "john"], [75, "robert"], [80, "michael"], [25, "william"], [54, "david"], [59, "richard"], [74, "charles"], [46, "joseph"], [90, "thomas"], [80, "christopher"]]
我只想找出一种方法来遍历字符串,检查它们是否以特定的字母开头;说j
,删除它并忽略不满足此条件的其余元素
预期结果如下所示:
mylist = [[92, "ames"], [88, "ohn"], [75, "robert"], [80, "michael"], [25, "william"], [54, "david"], [59, "richard"], [74, "charles"], [46, "oseph"], [90, "thomas"], [80, "christo, her"]]
如果我理解正确,以下是一个解决方案:
您可以使用函数
lstrip()
删除前导字符:
[[i, j.lstrip('j')] for i, j in mylist]
我尝试使用传统的for循环,但是,我在迭代列表中的整数时遇到问题。@AkbarHussein发布您迄今为止尝试过的代码,并解释出现的问题
[[i, j.lstrip('j')] for i, j in mylist]