53 lines
1.2 KiB
Python
53 lines
1.2 KiB
Python
|
#5.3
|
||
|
list1 = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
|
||
|
print("start list: ", list1)
|
||
|
|
||
|
list1.insert(0, list1.pop())
|
||
|
list1.insert(0, list1.pop())
|
||
|
list1.insert(0, list1.pop())
|
||
|
|
||
|
print("new list: ", list1)
|
||
|
print()
|
||
|
print()
|
||
|
|
||
|
#---------------------------------------------------------------------------------------------------------
|
||
|
|
||
|
#5.4
|
||
|
#a
|
||
|
word = "DONAUDAMPFSCHIFFAHRTSGESELLSCHAFTSSTEWARDESS"
|
||
|
letters = list(word)
|
||
|
print(letters)
|
||
|
print("length:", len(letters))
|
||
|
|
||
|
#b
|
||
|
letters_once = []
|
||
|
for element in letters:
|
||
|
if element not in letters_once:
|
||
|
letters_once.append(element)
|
||
|
|
||
|
print(letters_once)
|
||
|
print("new length:", len(letters_once))
|
||
|
|
||
|
print()
|
||
|
print()
|
||
|
|
||
|
#---------------------------------------------------------------------------------------------------------
|
||
|
|
||
|
#5.5
|
||
|
list2 = [[1, 2, 3], [2, 1, 3], [4, 0, 1]]
|
||
|
print("List2 unsorted:", list2)
|
||
|
list2.sort(key = lambda list2: list2[1])
|
||
|
print("List2 sorted by 2nd value:", list2)
|
||
|
print()
|
||
|
print()
|
||
|
#---------------------------------------------------------------------------------------------------------
|
||
|
|
||
|
#5.6
|
||
|
dict = { "Hund" : "wuff", "Katze" : "miau", "Kuh" : "muuh" }
|
||
|
def function2(d, a):
|
||
|
print(a, ":", d[a])
|
||
|
|
||
|
function2(dict, "Hund")
|
||
|
function2(dict, "Katze")
|
||
|
function2(dict, "Kuh")
|