#Aufgabe 5.3
liste1 = [1,2,3,4,5,6,7,8,9,10]
l = liste1[len(liste1)-3 : len(liste1)]
for i in range(1,4):
    x = liste1.pop()
    liste1.insert(0, x)
    
print(liste1)

#Aufgabe 5.4
from xmlrpc.client import boolean
from pickle import TRUE
list1 = []
string1 = "Donaudampfschifffahrtsgesellschaft".lower()
list1.extend(string1)
count = 0
print("Laenge der Liste vorher: ", len(list1))

i = 0
while i < len(list1):
    element = list1[i]
    count = list1.count(element)
    if count > 1:
        i = 0
        for j in range(1,count+1):
            list1.remove(element)
    
    else:
        i = i+1
    
print("Laenge der Liste nachher: ", len(list1))


#Aufgabe 5.5
list1 = [[1,2,3],[2,1,3],[4,0,1]]
i = 0 
while i < len(list1)-1:
    save_string = list1[i]
    if list1[i+1][1] < list1[i][1]:
        list1[i] = list1[i+1]
        list1[i+1] = save_string
        i = 0
    else:
        i = i+1
        
print(list1)

#Aufgabe 5.6
geraeusch = {
    "Hund" : "Wuff",
    "Katze":"Miau",
    "Esel" : "Ia"
    }

def tier_geraeusch(tiername):
    print(geraeusch[tiername])


tier_geraeusch("Hund")