Woche 03

prim = [None, 2, 3, 5 , 7, 11, 13 ] 

# quadrierte Prims in konventioneller Grundstrultur
qp = [ None ]

for x in prim[1:]:
    print(x)
    qp.append(x*x)
qp

2
3
5
7
11
13

[None, 4, 9, 25, 49, 121, 169]

# quadrierte Prims als List Comprehension
qp = [ None ] +  [ x*x    for x in prim[1: ]  ]  # quadrierte Primzahlen
qp

[None, 4, 9, 25, 49, 121, 169]

interessant = [ 1, 2, 3 ]

for i in interessant:
    x = prim[i]
    print(i, x )

1 2
2 3
3 5

aussprache = [ None, "oanz", "zwoa", "drei" ]

for a in aussprache:
    print(a)

None
oanz
zwoa
drei

interessant = [ 1, 3 ]

for i in interessant:
    a = aussprache[ i ]
    print( a )

oanz
drei

prim[1]

2

print( prim[1:4] )

[2, 3, 5]

def doppelt(z):
    return None

print(doppelt(7))

None

doppelt(prim)

kurti = "Hallo Kurt"
doppelt(kurti)

print(None)

None

# die erste Primzahl
prim[1]

2

kur

---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
Cell In[15], line 1
----> 1 kur

NameError: name 'kur' is not defined

kurt = "Kurt"
kurt[0:3 ]

'Kur'

prim[0:3]

[None, 2, 3]

fib = [0, 1]
n = 5
for i in range(1,n):
    fib.append( fib[i-1] + fib[i] )
fib

[0, 1, 1, 2, 3, 5]