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WorksheetsList Tuple
Total questions: 33
Worksheet time: 20mins
Специальный знак который отображает список в пайтоне
{ }
( )
[ ]
:
num=[ 2, 3, 5, 6, "d", "t", "r", "m",["w", "dc", 8]]
print(num[3])
2
3
5
6
num=[ 2, 3, 5, 6, "d", "t", "r", "m",["w", "dc", 8]]
print(num[7])
d
t
r
m
num=[ 2, 3, 5, 6,]
num.append("ok")
print(num)
[2, 3, 5, 6, 'ok']
[ 'ok', 2, 3, 5, 6,]
[ 2, 3, 'ok', 5, 6,]
[ 2, 'ok', 3, 5, 6,]
num=[ 2, 3, 5, 6,]
num.insert(2, 7)
print(num)
[ 2, 7, 3, 5, 6]
[ 2, 3, 7, 5, 6]
[ 2, 3, 5, 7 ,6]
[ 2, 3, 5, 6, 7]
num=[ 100, 2000, 2, 3, 5, 6,8]
num.sort()
print(num)
[2, 3, 6, 5, 8, 100, 2000]
[2, 3, 5, 6, 8, 100, 2000]
[2, 3, 5, 6, 8, 2000, 100]
[2, 6, 5, 3, 8, 100, 2000]
num=[ 2, 3, 5, 6, "d",["w", [1, 2, 3, "dc"], 8], "t", "r", "m"]
Run=>'dc'
(a)
num=[ 2, 3, 5, 6, "d",["w", [1, 2, 3, "dc"], 8], "t", "r", "m"]
Run=>'w'
(a)
num=[ 2, 3, 5, 6, "d",["w", [1, 2, 3, "dc"], 8], "t", "r", "m"]
Run=>'r'
(a)
num=[ 2, 3, 5, 6, "d",["w", [1, 2, 3, "dc"], 8], "t", "r", "m"]
Run=>8
(a)
Поиск индекса первого вхождения элемента:
>>> x = [1, 2, 3, 3, 2, 1]
>>> x.index(3)
(a)
Изменение порядка элементов на обратный:
>>> x = [1, 2, 3]
>>> x.reverse()
>>> x
(a)
>>> s = [1, 2, 3]
>>> type(s)
<class 'list'>
<class 'tuple'>
<class 'set'>
<class 'str'>
<class 'bool'>
>>> s = (1, 2, 3)
>>> type(s)
<class 'list'>
<class 'tuple'>
<class 'set'>
<class 'str'>
<class 'bool'>
>>> s = "Hello World"
>>> type(s)
<class 'list'>
<class 'tuple'>
<class 'set'>
<class 'str'>
<class 'bool'>
>>> s = {1,2,3,5,6,4,8}
>>> type(s)
<class 'list'>
<class 'tuple'>
<class 'set'>
<class 'str'>
<class 'bool'>
>>> s = True
>>> type(s)
<class 'list'>
<class 'tuple'>
<class 'set'>
<class 'str'>
<class 'bool'>
t = (1, 2, 3)
t = (10,) + t[1:]
print(t)
t = (1, 2, 3)
temp = list(t)
temp[0] = 10
t = tuple(temp)
print(t)
lst = [1, 2, 3]
print(3 in lst)
lst = [1, 2, 3]
print(4 in lst)
lst = [1, 2, 3]
print(min(lst))
lst = [1, 2, 3]
print(max(lst))
x = [1, 2, 3]
x.append(5)
print(x)
x = [1, 2, 3]
x.extend([4, 5, 6])
print(x)
s = [1, 2, 3]
s.append(4)
s.append([5, 6])
print(s)
s = [1, 2, 3]
s.extend([4, 5, 6])
print(s)
x = [1, 2, 3]
x.insert(1, 5)
print(x)
x = [1, 2, 3, 3, 2, 1]
x.remove(2)
print(x)
x = [1, 2, 3, 3, 2, 1]
x.pop(1)
print(x)
[1, 3, 3, 2, 1]
[1, 3, 3, 2, 1, 2]
[2, 1, 3, 3, 2, 1]
[1, 2, 3, 2, 1]
x=[1, 3, 3, 2, 1]
x.pop()
print(x)
x = [1, 2, 3]
x.clear()
print(x)
x = [1, 2, 3, 3, 2, 1]
x.sort()
print(x)
