Python 3.9.7 | packaged by conda-forge | (default, Sep 23 2021, 07:28:37)

Type "copyright", "credits" or "license" for more information.

IPython 7.27.0 -- An enhanced Interactive Python.

In [1]: enumerate([45, 23, 12])

Out[1]: <enumerate at 0x7fae10590f80>

In [2]: A = _

In [3]: next(A)

Out[3]: (0, 45)

In [4]: next(A)

Out[4]: (1, 23)

In [5]: next(A)

Out[5]: (2, 12)

In [6]: next(A)

Traceback (most recent call last):

File "/tmp/ipykernel_19134/1844343699.py", line 1, in <module>

next(A)

StopIteration

In [7]: A

Out[7]: <enumerate at 0x7fae10590f80>

In [8]: lista = [ 3, 7, 34, 21, 54]

In [9]: for i in range(len(lista)):

   ...: print(i, lista[i])

   ...:

Output from spyder call 'get_cwd':

0 3

1 7

2 34

3 21

4 54

In [10]: for i, valore in enumerate(lista):

    ...: print(i, valore)

    ...:

0 3

1 7

2 34

3 21

4 54

In [11]: quadrati = []

In [12]: for valore in lista:

    ...: quadrati.append(valore**2)

    ...:

In [13]: quadrati

Out[13]: [9, 49, 1156, 441, 2916]

In [14]: quadrati = [ valore**2 for valore in lista ]

In [15]: quadrati

Out[15]: [9, 49, 1156, 441, 2916]

In [16]: quadrati_di_dispari = [ valore**2 for valore in lista if valore%2==1 ]

In [17]: quadrati_di_dispari

Out[17]: [9, 49, 441]

In [18]: def quadrato_più_cubo(X):

    ...: return X**2 + X**3

    ...:

In [19]: tabelline = []

In [20]: tabelline = [

    ...: [ X*Y for Y in range(1,11) ] for X in range(1, 11)

    ...: ]

In [21]: tabelline

Out[21]:

[[1, 2, 3, 4, 5, 6, 7, 8, 9, 10],

[2, 4, 6, 8, 10, 12, 14, 16, 18, 20],

[3, 6, 9, 12, 15, 18, 21, 24, 27, 30],

[4, 8, 12, 16, 20, 24, 28, 32, 36, 40],

[5, 10, 15, 20, 25, 30, 35, 40, 45, 50],

[6, 12, 18, 24, 30, 36, 42, 48, 54, 60],

[7, 14, 21, 28, 35, 42, 49, 56, 63, 70],

[8, 16, 24, 32, 40, 48, 56, 64, 72, 80],

[9, 18, 27, 36, 45, 54, 63, 72, 81, 90],

[10, 20, 30, 40, 50, 60, 70, 80, 90, 100]]

In [22]: a, b = 1, 2, 3

Traceback (most recent call last):

File "/tmp/ipykernel_19134/1202805113.py", line 1, in <module>

a, b = 1, 2, 3

ValueError: too many values to unpack (expected 2)

In [23]: a, *b = 1, 2, 3

In [24]: a, b

Out[24]: (1, [2, 3])

In [25]: *a, b = 1, 2, 3

In [26]: a, b

Out[26]: ([1, 2], 3)

In [27]: a, *b, c = 1, 2, 3, 4, 5, 6

In [28]: a, b, c

Out[28]: (1, [2, 3, 4, 5], 6)

In [29]: *a, b, *c = 1, 2, 3, 4, 5, 6

File "/tmp/ipykernel_19134/907787962.py", line 1

*a, b, *c = 1, 2, 3, 4, 5, 6

^

SyntaxError: multiple starred expressions in assignment

In [30]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

Output from spyder call 'get_namespace_view':

S

In [31]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

In [32]: limiti_e_messaggi = {40 : 'o3',

    ...: 35 : 'o2',

    ...: 30 : 'o1',

    ...: 25 : 'S',

    ...: 18.5: 'N',

    ...: 16: 's',

    ...: 0: 'Starved' }

In [33]: limiti_e_messaggi.items()

Out[33]: dict_items([(40, 'o3'), (35, 'o2'), (30, 'o1'), (25, 'S'), (18.5, 'N'), (16, 's'), (0, 'Starved')])

In [34]: I = limiti_e_messaggi.items()

In [35]: next(I)

Traceback (most recent call last):

File "/tmp/ipykernel_19134/1643842136.py", line 1, in <module>

next(I)

TypeError: 'dict_items' object is not an iterator

In [36]: next(iter(I))

Out[36]: (40, 'o3')

In [37]: next(iter(I))

Out[37]: (40, 'o3')

In [38]: J = iter(I)

In [39]: next(J)

Out[39]: (40, 'o3')

In [40]: next(J)

Out[40]: (35, 'o2')

In [41]: next(J)

Out[41]: (30, 'o1')

In [42]: next(J)

Out[42]: (25, 'S')

In [43]: next(J)

Out[43]: (18.5, 'N')

In [44]: next(J)

Out[44]: (16, 's')

In [45]: next(J)

Out[45]: (0, 'Starved')

In [46]: next(J)

Traceback (most recent call last):

File "/tmp/ipykernel_19134/460280840.py", line 1, in <module>

next(J)

StopIteration

In [47]: list(I)

Out[47]:

[(40, 'o3'),

(35, 'o2'),

(30, 'o1'),

(25, 'S'),

(18.5, 'N'),

(16, 's'),

(0, 'Starved')]

In [48]: limiti_e_messaggi.keys()

Out[48]: dict_keys([40, 35, 30, 25, 18.5, 16, 0])

In [49]: list(limiti_e_messaggi.keys())

Out[49]: [40, 35, 30, 25, 18.5, 16, 0]

In [50]: list(limiti_e_messaggi.values())

Out[50]: ['o3', 'o2', 'o1', 'S', 'N', 's', 'Starved']

In [51]: len(limiti_e_messaggi)

Out[51]: 7

In [52]: limiti_e_messaggi[0]

Out[52]: 'Starved'

In [53]: limiti_e_messaggi[10]

Traceback (most recent call last):

File "/tmp/ipykernel_19134/4181109053.py", line 1, in <module>

limiti_e_messaggi[10]

KeyError: 10

In [54]: limiti_e_messaggi[0]

Out[54]: 'Starved'

In [54]:

In [54]:

In [54]:

In [55]: limiti_e_messaggi[0] = "denutrito"

In [56]: limiti_e_messaggi

Out[56]: {40: 'o3', 35: 'o2', 30: 'o1', 25: 'S', 18.5: 'N', 16: 's', 0: 'denutrito'}

In [57]: limiti_e_messaggi[0]

Out[57]: 'denutrito'

In [58]: dizio1 = { 'uno' : 1, 'tre': 3, 'quarantadue' : 42 }

In [59]: dizio2 = { 1 : 1, 2: 4, 3: 9 }

In [60]: dizio1.update(dizio2)

In [61]: dizio1

Out[61]: {'uno': 1, 'tre': 3, 'quarantadue': 42, 1: 1, 2: 4, 3: 9}

In [62]: dizio1.update({ 'tre' : 33 })

In [63]: dizio1

Out[63]: {'uno': 1, 'tre': 33, 'quarantadue': 42, 1: 1, 2: 4, 3: 9}

In [64]: dizio1[2:3]

Traceback (most recent call last):

File "/tmp/ipykernel_19134/1818719844.py", line 1, in <module>

dizio1[2:3]

TypeError: unhashable type: 'slice'

In [65]: insieme1 = { 1, 3, 5, 7, 1, 4, 2, 7, 5, }

In [66]: insieme1

Out[66]: {1, 2, 3, 4, 5, 7}

In [67]: set()

Out[67]: set()

In [68]: {}

Out[68]: {}

In [69]: type({})

Out[69]: dict

In [70]: A = set()

In [71]: type(A)

Out[71]: set

In [72]: A.add(1)

In [73]: A

Out[73]: {1}

In [74]: A.add(45)

In [75]: A.add(1)

In [76]: A

Out[76]: {1, 45}

In [77]: B = { 45, 17, 21 }

In [78]: A - B

Out[78]: {1}

In [79]: A + B

Traceback (most recent call last):

File "/tmp/ipykernel_19134/2673172716.py", line 1, in <module>

A + B

TypeError: unsupported operand type(s) for +: 'set' and 'set'

In [80]: A | B

Out[80]: {1, 17, 21, 45}

In [81]: A & B

Out[81]: {45}

In [82]: A.difference(B)

Out[82]: {1}

In [83]: A.intersection(B)

Out[83]: {45}

In [84]: A.union(B)

Out[84]: {1, 17, 21, 45}

In [85]: for elemento in A:

    ...: print(elemento)

    ...:

Output from spyder call 'get_cwd':

Output from spyder call 'get_cwd':

1

45

In [86]: sorted( A | B)

Out[86]: [1, 17, 21, 45]

In [87]: sorted( A | B, reverse=True)

Out[87]: [45, 21, 17, 1]

In [88]: testi = """

    ...: òljdsòlfkj

    ...: òlkdjflakj

    ...: p3urjfldkjjhworij

    ...: liuroiwfejlk

    ...: """

In [89]: testi = testi.split()

In [90]: testi

Out[90]: ['òljdsòlfkj', 'òlkdjflakj', 'p3urjfldkjjhworij', 'liuroiwfejlk']

In [91]: sorted(testi)

Out[91]: ['liuroiwfejlk', 'p3urjfldkjjhworij', 'òljdsòlfkj', 'òlkdjflakj']

In [92]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

In [93]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

In [94]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

In [95]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

Output from spyder call 'get_cwd':

N

devi dimagrire di 8 kilogrammi

In [96]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

devi ingrassare di 21 kilogrammi

In [97]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

evvai!

In [98]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

evvai!

devi dimagrire/ingrassare di 7.509999999999991 kili

In [99]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

evvai!

devi dimagrire/ingrassare di -20.002600000000015 kili

In [100]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

evvai!

devi dimagrire/ingrassare di 20.002600000000015 kili

In [101]: runfile('/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21/lezione05.py', wdir='/home/andrea/Documents/Uni/Didattica/Prog1/2021-22/Lezioni/lezione05-11-10-21')

N

evvai!

devi dimagrire/ingrassare di -7.509999999999991 kili

In [102]: lista = [ 1, 4, 7, 3, 67, 34 ]

In [103]: lista[3:6]

Out[103]: [3, 67, 34]

In [104]: lista[3:6] = []

In [105]: lista

Out[105]: [1, 4, 7]

In [106]: lista = [ 1, 4, 7, 3, 67, 34 ]

In [107]: del lista[3]

In [108]: lista

Out[108]: [1, 4, 7, 67, 34]

In [109]: lista.pop(3)

Out[109]: 67

In [110]: lista

Out[110]: [1, 4, 7, 34]

In [111]: lista.pop()

Out[111]: 34

In [112]: dizionario1 = { 'uno':1, 'due':2 , 'tre': 33}

In [113]: dizionario1['due']

Out[113]: 2

In [114]: del dizionario1['due']

In [115]: dizionario1

Out[115]: {'uno': 1, 'tre': 33}

In [116]: { valore**2 for valore in range(25) if valore%2==1 }

Out[116]: {1, 9, 25, 49, 81, 121, 169, 225, 289, 361, 441, 529}

In [117]: { X : X**2 for X in range(25) if X%2==1 }

Out[117]:

{1: 1,

3: 9,

5: 25,

7: 49,

9: 81,

11: 121,

13: 169,

15: 225,

17: 289,

19: 361,

21: 441,

23: 529}

In [118]: import random

In [119]: { random.randint(1,6) for i in range(2) }

Out[119]: {2, 4}

In [120]: { random.randint(1,6) for i in range(2) }

Out[120]: {1, 3}

In [121]: { random.randint(1,6) for i in range(2) }

Out[121]: {1, 3}

In [122]: { random.randint(1,6) for i in range(2) }

Out[122]: {5, 6}

In [123]: { random.randint(1,6) for i in range(20) }

Out[123]: {1, 2, 3, 4, 5, 6}

In [124]: { random.randint(1,6) for i in range(20) }

Out[124]: {2, 3, 4, 5, 6}

In [125]: testi

Out[125]: ['òljdsòlfkj', 'òlkdjflakj', 'p3urjfldkjjhworij', 'liuroiwfejlk']

In [126]: sorted(testi, key=len)

Out[126]: ['òljdsòlfkj', 'òlkdjflakj', 'liuroiwfejlk', 'p3urjfldkjjhworij']

In [127]: len

Out[127]: <function len(obj, /)>

In [128]: dizionario1

Out[128]: {'uno': 1, 'tre': 33}

In [129]: sorted(dizionario1.items())

Out[129]: [('tre', 33), ('uno', 1)]

In [130]: dict(sorted(dizionario1.items()))

Out[130]: {'tre': 33, 'uno': 1}

In [131]: