List =["Elephant","Snake","Penguin"]print(len(List))# With the 'len' function Python counts the amount of elements # in a list (The length of the list).# In this case the output is '3' because there are 3 elements in the list.
List =["Elephant","Snake","Penguin"]print(len(List))# With the 'len' function Python counts the amount of elements # in a list (The length of the list).
"""Find all occurrences of element in list"""# If you simply want find how many times an element appears# use the built-in function count()deffind_occur(lst, item):return lst.count(item)# Test -----------------------------------------------------------print(find_occur([None,None,1,2,3,4,5],None))# 2# If you wanna find where they occur instead# - This returns the indices where element is found within a listdeffind(lst, item):return[i for(i, x)inenumerate(lst)if x == item]# Test Code ------------------------------------------------------from random import randint, choice
lst =[randint(0,99)for x inrange(10)]# random lst
item = choice(lst)# item to find
found = find(lst, item)# lst of where item is found atprint(f"lst: {lst}",f"item: {item}",f"found: {found}",
sep = "
")