def long_strings(a):
    new_list =[]
    i=0
    while i < len(a):
        if len(a[i])>=5:
            new_list.append(a[i])

        i+=1
    return new_list

print(long_strings(['Hello','Goodbye','Sam']))
print(long_strings(['Ace','Cat','Job']))
print(long_strings([]))