Returns the head of a list.
Use lst[0] to return the first element of the passed list.
代码实现
def head(lst):
return lst[0]使用样例
head([1, 2, 3]) # 1Returns the head of a list.
Use lst[0] to return the first element of the passed list.
def head(lst):
return lst[0]head([1, 2, 3]) # 1