Python 3.7.3 | packaged by conda-forge | (default, Jul 1 2019, 21:52:21)

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IPython 7.8.0 -- An enhanced Interactive Python.

In [1]: testo = "uno,due,tre,4,cinque"

In [2]: testo.split()

Out[2]: ['uno,due,tre,4,cinque']

In [3]: testo.split(',')

Out[3]: ['uno', 'due', 'tre', '4', 'cinque']

In [4]: testo = "uno,due,tre,,4,cinque"

In [5]: testo.split(',')

Out[5]: ['uno', 'due', 'tre', '', '4', 'cinque']

In [6]: frammenti = testo.split(',')

In [7]: '|'.join(frammenti)

Out[7]: 'uno|due|tre||4|cinque'

In [8]: '|' + '|'.join(frammenti) + '|'

Out[8]: '|uno|due|tre||4|cinque|'

In [8]:

In [8]:

In [9]: '| ' + ' | '.join(frammenti) + ' |'

Out[9]: '| uno | due | tre | | 4 | cinque |'

In [10]: testo2 = "uno , due , tre , quattro"

In [11]: testo2.split(' , ')

Out[11]: ['uno', 'due', 'tre', 'quattro']

In [12]: int("345")

Out[12]: 345

In [13]: int("345ABC")

Traceback (most recent call last):

File "<ipython-input-13-0d6892254660>", line 1, in <module>

int("345ABC")

ValueError: invalid literal for int() with base 10: '345ABC'

In [14]:

In [14]: int("345ABC", 16)

Out[14]: 3431100

In [15]: num = int("345ABC", 16)

In [16]: repr(num, 16)

Traceback (most recent call last):

File "<ipython-input-16-ab8bd462ade2>", line 1, in <module>

repr(num, 16)

TypeError: repr() takes exactly one argument (2 given)

In [17]:

In [17]: " jhskdf ".strip()

Out[17]: 'jhskdf'

In [18]: t = " lihskfjhsk "

In [19]: " URLO !!!".lower()

Out[19]: ' urlo !!!'

In [20]: '0'.isdecimal()

Out[20]: True

In [21]: '8'.isdecimal()

Out[21]: True

In [22]: 'A'.isdecimal()

Out[22]: False

In [23]: 'A'.isnumeric()

Out[23]: False

In [24]: 'A'.isnumeric(16)

Traceback (most recent call last):

File "<ipython-input-24-ace6eccd0944>", line 1, in <module>

'A'.isnumeric(16)

TypeError: isnumeric() takes no arguments (1 given)

In [25]:

In [25]: c = 'A'

In [26]: c.isdigit(16)

Traceback (most recent call last):

File "<ipython-input-26-e36203c3974b>", line 1, in <module>

c.isdigit(16)

TypeError: isdigit() takes no arguments (1 given)

In [27]:

In [27]: "Quo" in " Paperino è al mare con Quo"

Out[27]: True

In [28]: "quo" in " Paperino è al mare con Quo"

Out[28]: False

In [29]: find("Quo"," Paperino è al mare con Quo")

Traceback (most recent call last):

File "<ipython-input-29-92aaa09721c9>", line 1, in <module>

find("Quo"," Paperino è al mare con Quo")

NameError: name 'find' is not defined

In [30]:

In [30]: " Paperino è al mare con Quo".find('mare')

Out[30]: 15

In [31]: " Paperino è al mare con Quo".find('paperina')

Out[31]: -1

In [32]: " Paperino è al mare con Quo".replace('mare', 'montagna')

Out[32]: ' Paperino è al montagna con Quo'

In [33]: testo = " Paperino è al mare con Quo"

In [34]: testo2 = testo.replace('mare','monti')

In [35]: id(testo)

Out[35]: 140332088339864

In [36]: id(testo2)

Out[36]: 140332088339552

In [37]: testo

Out[37]: ' Paperino è al mare con Quo'

In [38]: testo2

Out[38]: ' Paperino è al monti con Quo'

In [39]: x=20

In [40]: y=30

In [41]: lista = ["X:",x,"Y:", y]

In [42]: print(lista)

['X:', 20, 'Y:', 30]

In [43]: lista = ["X:",str(x),"Y:",str( y)]

In [44]: print(lista)

['X:', '20', 'Y:', '30']

In [45]: print(lista.join(' '))

Traceback (most recent call last):

File "<ipython-input-45-82997c3210f6>", line 1, in <module>

print(lista.join(' '))

AttributeError: 'list' object has no attribute 'join'

In [46]:

In [46]: print(' '.join(lista))

X: 20 Y: 30

In [47]: x = 34

In [48]: y = 90

In [49]: lista = ["X:",str(x),"Y:",str( y)]

In [50]: print(' '.join(lista))

X: 34 Y: 90

In [51]: f"X: {x} Y: {y}"

Out[51]: 'X: 34 Y: 90'

In [52]: "X: {} Y: {}".format(x, y)

Out[52]: 'X: 34 Y: 90'

In [53]: testo = " uno due tre uno tre due uno "

In [54]: testo.find('uno')

Out[54]: 1

In [55]: testo.find('uno', 2)

Out[55]: 13

In [56]: testo.find('uno', 14)

Out[56]: 25

In [57]: testo.find('uno', 26)

Out[57]: -1

In [58]: lista = [ 1, 2, 3, 4, 5, 6]

In [59]: lista[5]

Out[59]: 6

In [60]: lista[5] = 45

In [61]: lista

Out[61]: [1, 2, 3, 4, 5, 45]

In [62]: lista + [ 46, 47, 48 ]

Out[62]: [1, 2, 3, 4, 5, 45, 46, 47, 48]

In [63]: lista

Out[63]: [1, 2, 3, 4, 5, 45]

In [64]: lista.append(34)

In [65]: lista

Out[65]: [1, 2, 3, 4, 5, 45, 34]

In [66]: lista.insert(3, 42)

In [67]: lista

Out[67]: [1, 2, 3, 42, 4, 5, 45, 34]

In [68]: lista[4:6]

Out[68]: [4, 5]

In [69]: lista[4:6] = [ "uno", "due", "tre" ]

In [70]: lista

Out[70]: [1, 2, 3, 42, 'uno', 'due', 'tre', 45, 34]

In [71]: lista[:] = [ "uno", "due", "tre" ]

In [72]: lista

Out[72]: ['uno', 'due', 'tre']

In [73]: lista.extend([3, 4, 5, 6])

In [74]: lista

Out[74]: ['uno', 'due', 'tre', 3, 4, 5, 6]

In [75]: lista.copy()

Out[75]: ['uno', 'due', 'tre', 3, 4, 5, 6]

In [76]: L = lista.copy()

In [77]: id(lista)

Out[77]: 140332088241480

In [78]: id(L)

Out[78]: 140332088236040

In [79]: lista.extend([3, 4, 5, 6])

In [80]: lista

Out[80]: ['uno', 'due', 'tre', 3, 4, 5, 6, 3, 4, 5, 6]

In [81]: id(lista)

Out[81]: 140332088241480

In [82]: lista.pop()

Out[82]: 6

In [83]: lista

Out[83]: ['uno', 'due', 'tre', 3, 4, 5, 6, 3, 4, 5]

In [84]: lista.pop(3)

Out[84]: 3

In [85]: lista

Out[85]: ['uno', 'due', 'tre', 4, 5, 6, 3, 4, 5]

In [86]: del lista[5]

In [87]: lista

Out[87]: ['uno', 'due', 'tre', 4, 5, 3, 4, 5]

In [88]: del lista[5:]

In [89]: lista

Out[89]: ['uno', 'due', 'tre', 4, 5]

In [90]: del lista[:]

In [91]: lista

Out[91]: []

In [92]: id(lista)

Out[92]: 140332088241480

In [93]: lista = [ 1, 2, 3, 4, 5, 6, 7, 8, 9 ]

In [94]: lista.index(6)

Out[94]: 5

In [95]: lista.index(66)

Traceback (most recent call last):

File "<ipython-input-95-91d93c56100b>", line 1, in <module>

lista.index(66)

ValueError: 66 is not in list

In [96]:

In [96]: lista.find(66)

Traceback (most recent call last):

File "<ipython-input-96-4069eea48f51>", line 1, in <module>

lista.find(66)

AttributeError: 'list' object has no attribute 'find'

In [97]:

In [97]: lista

Out[97]: [1, 2, 3, 4, 5, 6, 7, 8, 9]

In [98]: lista.sort()

In [99]: lista

Out[99]: [1, 2, 3, 4, 5, 6, 7, 8, 9]

In [100]: lista.sort(reverse=True)

     ...:

In [101]: lista

Out[101]: [9, 8, 7, 6, 5, 4, 3, 2, 1]

In [102]: id(lista)

Out[102]: 140332088262856

In [103]: lista.sort()

In [104]: id(lista)

Out[104]: 140332088262856

In [105]: lista

Out[105]: [1, 2, 3, 4, 5, 6, 7, 8, 9]

In [106]: lista.copy().sort(reverse=True)

In [107]: l2 = lista.copy()

In [108]: lista

Out[108]: [1, 2, 3, 4, 5, 6, 7, 8, 9]

In [109]: l2

Out[109]: [1, 2, 3, 4, 5, 6, 7, 8, 9]

In [110]: l2.sort(reverse=True)

In [111]: l2

Out[111]: [9, 8, 7, 6, 5, 4, 3, 2, 1]

In [112]: lista

Out[112]: [1, 2, 3, 4, 5, 6, 7, 8, 9]

In [113]: sorted(lista, reverse=True)

Out[113]: [9, 8, 7, 6, 5, 4, 3, 2, 1]

In [114]: lista

Out[114]: [1, 2, 3, 4, 5, 6, 7, 8, 9]

In [115]: