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0Traceback (most recent call last):
File "<ipython-input-70-356db226e9a5>", line 4, in <module>
print(L12[i])
File "/opt/anaconda3/envs/F20/lib/python3.8/site-packages/ipykernel/iostream.py", line 404, in write
self.pub_thread.schedule(lambda : self._buffer.write(string))
File "/opt/anaconda3/envs/F20/lib/python3.8/site-packages/ipykernel/iostream.py", line 205, in schedule
self._event_pipe.send(b'')
File "/opt/anaconda3/envs/F20/lib/python3.8/site-packages/zmq/sugar/socket.py", line 416, in send
return super(Socket, self).send(data, flags=flags, copy=copy, track=track)
File "zmq/backend/cython/socket.pyx", line 728, in zmq.backend.cython.socket.Socket.send
File "zmq/backend/cython/socket.pyx", line 775, in zmq.backend.cython.socket.Socket.send
File "zmq/backend/cython/socket.pyx", line 242, in zmq.backend.cython.socket._send_copy
File "zmq/backend/cython/checkrc.pxd", line 13, in zmq.backend.cython.checkrc._check_rc
KeyboardInterrupt
In [71]: i = 0
...: while i < len(L12):
...: if L12[i] % 5 == 0:
...: print(L12[i])
...: L12.pop(i)
...: i += 1
...:
0
10
15
In [72]: i = 0
...: while i < len(L12):
...: if L12[i] % 5 == 0:
...: print(L12[i])
...: L12.pop(i)
...: i += 1
...:
In [73]: L20 = list(range(20))
In [74]: L20
Out[74]: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
In [75]: list(range(len(L20)-1,-1,-1))
Out[75]: [19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0]
In [76]: for i in range(len(L20)-1,-1,-1):
...: if L20[i] % 7 == 0:
...: L20.pop(i)
...:
In [77]: L20
Out[77]: [1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19]
In [78]: L20 = list(range(20))
In [79]: for i in range(len(L20)):
...: if L20[i] % 7 == 0:
...: L20.pop(i)
...:
Traceback (most recent call last):
File "<ipython-input-79-4046597d437c>", line 2, in <module>
if L20[i] % 7 == 0:
IndexError: list index out of range
In [80]: def stampa_lista_ricorsivo(L, indice):
...: if indice >= len(L):
...: pass
...: else:
...: print(L[indice])
...: stampa_lista_ricorsivo(L, indice+1)
...:
In [81]: stampa_lista_ricorsivo(L20, 0)
1
2
3
4
5
6
8
9
10
11
12
13
15
16
17
18
19
In [82]: def funzione( arg1, arg2 ):
...: return arg1+arg2
...:
In [83]: funzione(1, 5)
Out[83]: 6
In [84]: funzione("uno ", "cinque")
Out[84]: 'uno cinque'
In [85]: funzione("uno ")
Traceback (most recent call last):
File "<ipython-input-85-e4ff3934752b>", line 1, in <module>
funzione("uno ")
TypeError: funzione() missing 1 required positional argument: 'arg2'
In [86]: funzione("uno ", "cinque", 45)
Traceback (most recent call last):
File "<ipython-input-86-812f8436beef>", line 1, in <module>
funzione("uno ", "cinque", 45)
TypeError: funzione() takes 2 positional arguments but 3 were given
In [87]: def funzione( arg1, arg2, arg3=55 ):
...: return arg1+arg2+arg3
...:
In [88]: def somma3( arg1, arg2, arg3=55 ):
...: return arg1+arg2+arg3
...:
In [89]: somma3(12, 17)
Out[89]: 84
In [90]: somma3('uyuy', 'liofufg')
Traceback (most recent call last):
File "<ipython-input-90-76991241dc6e>", line 1, in <module>
somma3('uyuy', 'liofufg')
File "<ipython-input-88-aae5cf053860>", line 2, in somma3
return arg1+arg2+arg3
TypeError: can only concatenate str (not "int") to str
In [91]: somma3(12, 17, 66)
Out[91]: 95
In [92]: range(0,45,1)
Out[92]: range(0, 45)
In [93]: def somma3( arg1, arg2, arg3=[] ):
...: return arg3.append(arg1+arg2)
...:
In [94]: def allunga_lista( arg1, arg2, arg3=[] ):
...: return arg3.append(arg1+arg2)
...:
In [95]: allunga_lista( 2, 3, [ 3, 56, 89])
In [96]: def allunga_lista( arg1, arg2, arg3=[] ):
...: arg3.append(arg1+arg2)
...: return arg3
...:
In [97]: allunga_lista( 2, 3, [ 3, 56, 89])
Out[97]: [3, 56, 89, 5]
In [98]: allunga_lista( 12, 13, [ 3, 56, 89])
Out[98]: [3, 56, 89, 25]
In [99]: id(_97)
Out[99]: 140281553024512
In [100]: id(_98)
Out[100]: 140280929335872
In [101]: allunga_lista( 12, 13 )
Out[101]: [25]
In [102]: allunga_lista( 52, 113 )
Out[102]: [25, 165]
In [103]: def allunga_lista( arg1, arg2, arg3=None ):
...: if arg3 is None:
...: arg3 = []
...: arg3.append(arg1+arg2)
...: return arg3
...:
In [104]: for inizio in range(20):
...: for x in range(inizio, 20):
...: print(x)
...:
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
6
7
8
9
10
11
12
13
14
15
16
17
18
19
7
8
9
10
11
12
13
14
15
16
17
18
19
8
9
10
11
12
13
14
15
16
17
18
19
9
10
11
12
13
14
15
16
17
18
19
10
11
12
13
14
15
16
17
18
19
11
12
13
14
15
16
17
18
19
12
13
14
15
16
17
18
19
13
14
15
16
17
18
19
14
15
16
17
18
19
15
16
17
18
19
16
17
18
19
17
18
19
18
19
19
In [105]: for inizio in range(20):
...: for x in range(inizio, 20):
...: print(x, end=' ')
...:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 6 7 8 9 10 11 12 13 14 15 16 17 18 19 7 8 9 10 11 12 13 14 15 16 17 18 19 8 9 10 11 12 13 14 15 16 17 18 19 9 10 11 12 13 14 15 16 17 18 19 10 11 12 13 14 15 16 17 18 19 11 12 13 14 15 16 17 18 19 12 13 14 15 16 17 18 19 13 14 15 16 17 18 19 14 15 16 17 18 19 15 16 17 18 19 16 17 18 19 17 18 19 18 19 19
In [106]: for inizio in range(20):
...: for x in range(inizio, 20):
...: print(x, end=' ')
...: print()
...:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
6 7 8 9 10 11 12 13 14 15 16 17 18 19
7 8 9 10 11 12 13 14 15 16 17 18 19
8 9 10 11 12 13 14 15 16 17 18 19
9 10 11 12 13 14 15 16 17 18 19
10 11 12 13 14 15 16 17 18 19
11 12 13 14 15 16 17 18 19
12 13 14 15 16 17 18 19
13 14 15 16 17 18 19
14 15 16 17 18 19
15 16 17 18 19
16 17 18 19
17 18 19
18 19
19
In [107]: