WS2026 KW 41

Taschenrechner mit Zahlen (Integer, Float)

2+3.0

5.0

x = 2*3

a = 2

b = b + 10

---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
Cell In[4], line 1
----> 1 b = b + 10

NameError: name 'b' is not defined

a, b

---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
Cell In[5], line 1
----> 1 a, b

NameError: name 'b' is not defined

dasisteinelangevariable = 3

dasistschoen = 7

dasisteinelangevariable

3

Taschenrechner mit Strings, Listen

h = "hallo"
2*h

'hallohallo'

List(String); Index; Slicing

list(h)

['h', 'a', 'l', 'l', 'o']

h[0:3]

'hal'

h_liste = ['h', 'a', 'l', 'l', 'o']
h_liste[2:99]

['l', 'l', 'o']

display( h_liste[1] )

'a'

eine Funktion quadriere(x) definieren

def quadriere(x):
    q = x*x
    return q

def dopple(x):
    return x+x

dopple("Hallo")

'HalloHallo'

Menge von Quadratzahlen mit set comprehension

meine_zahlen = [ 2, 3, 4, 5 ]
for x in meine_zahlen:
    print( quadriere(x) )

4
9
16
25

{ quadriere(x) for x in meine_zahlen }

{4, 9, 16, 25}