Created
May 5, 2020 19:20
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[1, "hi", 'h'] | |
[1, 'hi', 'h'] | |
list1 = [] | |
list2 = [ "red", "blue", "yellow" ] | |
list2[0] | |
'red' | |
list2[2] | |
'yellow' | |
list2[3] | |
Traceback (most recent call last): | |
File "<input>", line 1, in <module> | |
IndexError: list index out of range | |
list2[-1] | |
'yellow' | |
list2[-2] | |
'blue' | |
list3 = list(range(10)) | |
list3[2:5] | |
[2, 3, 4] | |
list3[2:5+1] | |
[2, 3, 4, 5] | |
list3[2:-1] | |
[2, 3, 4, 5, 6, 7, 8] | |
list3[2:] | |
[2, 3, 4, 5, 6, 7, 8, 9] | |
list3[-3:] | |
[7, 8, 9] | |
list[0:2] | |
Traceback (most recent call last): | |
File "<input>", line 1, in <module> | |
TypeError: 'type' object is not subscriptable | |
list3[0:2] | |
[0, 1] | |
list3[:2] | |
[0, 1] | |
a = list3[1:2] | |
list3[4:1] | |
[] | |
list3[4:1:-1] | |
[4, 3, 2] | |
list3[:] | |
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] | |
list4 = list3 | |
list4 | |
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] | |
list4 [0] = 999 | |
list4 | |
[999, 1, 2, 3, 4, 5, 6, 7, 8, 9] | |
list3 | |
[999, 1, 2, 3, 4, 5, 6, 7, 8, 9] | |
list5 = list3[:] | |
list5[0] = 0 | |
list3[::2] | |
[999, 2, 4, 6, 8] | |
list3[::-1] | |
[9, 8, 7, 6, 5, 4, 3, 2, 1, 999] | |
list3[:] = 1 | |
Traceback (most recent call last): | |
File "<input>", line 1, in <module> | |
TypeError: can only assign an iterable | |
for i in range(10): print(list3[i]) | |
999 | |
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |
7 | |
8 | |
9 | |
for it in list3: | |
print(it) | |
999 | |
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |
7 | |
8 | |
9 | |
0 in list3 | |
False | |
list3[0] = 0 | |
0 in list3 | |
True | |
list3[0] = 'zero' | |
list3 | |
['zero', 1, 2, 3, 4, 5, 6, 7, 8, 9] | |
'zero' in list3 | |
True | |
0 in list3 | |
False | |
len(list1) | |
0 | |
len(list3) | |
10 | |
len(list2) | |
3 | |
list3[10] = 'a' | |
Traceback (most recent call last): | |
File "<input>", line 1, in <module> | |
IndexError: list assignment index out of range | |
list3.append('a') | |
list3.insert(1, 'b') | |
list3.insert(0, 1374) | |
list3.remove('zero') | |
list3.append('x') | |
list3.append('x') | |
list3.append('x') | |
list3.append('x') | |
list3.remove('x') | |
list3.pop() | |
'x' | |
guests = ['ali' , 'saeed', 'hamid'] | |
guests.pop() | |
'hamid' | |
guests.pop() | |
'saeed' | |
guests.pop() | |
'ali' | |
guests.pop() | |
Traceback (most recent call last): | |
File "<input>", line 1, in <module> | |
IndexError: pop from empty list | |
del list3[5] | |
del list3[-1] | |
del list3[0:5] | |
del list5[::3] | |
list3.clear() | |
del list5[:] | |
list5 = list(range(1,100,5)) | |
list3 = list5.copy() | |
typeof(range(10)) | |
Traceback (most recent call last): | |
File "<input>", line 1, in <module> | |
NameError: name 'typeof' is not defined | |
type(range(10)) | |
<class 'range'> | |
int('123') | |
123 | |
list("Hossain") | |
['H', 'o', 's', 's', 'a', 'i', 'n'] | |
list(range(100,-100,-10)) | |
[100, 90, 80, 70, 60, 50, 40, 30, 20, 10, 0, -10, -20, -30, -40, -50, -60, -70, -80, -90] | |
list( ("a", "b", 3) ) | |
['a', 'b', 3] | |
t=("a", "b", 3) | |
t | |
('a', 'b', 3) | |
list(t) | |
['a', 'b', 3] | |
t=list(t) | |
list10 = list2 + t | |
list0 = list2 | |
list2.append(0) | |
del list5 | |
del t | |
del list4 | |
del list 3 | |
File "<input>", line 1 | |
del list 3 | |
^ | |
SyntaxError: invalid syntax | |
del list3 | |
del quests | |
Traceback (most recent call last): | |
File "<input>", line 1, in <module> | |
NameError: name 'quests' is not defined | |
del guests | |
del list1 | |
del list10 | |
list3 = list0 + [ 5, 6, 7 ] | |
list0[0] = 'RED' | |
list0.extend([ 5, 6, 7 ]) | |
list3.pop() | |
7 | |
del list2[0] | |
list0 .extend([ 0, 1, 0, 2, 3, 0]) | |
list0.count(0) | |
4 | |
list0.count('RED') | |
0 | |
list0[::-1] | |
[0, 3, 2, 0, 1, 0, 7, 6, 5, 0, 'yellow', 'blue'] | |
list0.reverse() | |
list0.sort() | |
Traceback (most recent call last): | |
File "<input>", line 1, in <module> | |
TypeError: '<' not supported between instances of 'str' and 'int' | |
list4 = list (range(100,0, -10)) | |
list4 | |
[100, 90, 80, 70, 60, 50, 40, 30, 20, 10] | |
list4.sort() | |
list4 | |
[10, 20, 30, 40, 50, 60, 70, 80, 90, 100] | |
a = ['apple' , '0AD' , 'zera', 'web', 'android'] | |
a | |
['apple', '0AD', 'zera', 'web', 'android'] | |
a.sort() | |
a | |
['0AD', 'android', 'apple', 'web', 'zera'] | |
list3*5 | |
['red', 'blue', 'yellow', 0, 5, 6, 'red', 'blue', 'yellow', 0, 5, 6, 'red', 'blue', 'yellow', 0, 5, 6, 'red', 'blue', 'yellow', 0, 5, 6, 'red', 'blue', 'yellow', 0, 5, 6] | |
[1,2]*3 | |
[1, 2, 1, 2, 1, 2] | |
list5 = list3 + list0 + [1300] | |
list5 = list5 + [2000] | |
list100 = list5 | |
list5 = list5 + [2000] | |
list5 += [ 1 ] | |
l = list5 + [] | |
l.pop() | |
1 | |
list6=list5 | |
list6 += [] | |
list5.pop() | |
1 | |
list5.pop() | |
2000 | |
list5.pop() | |
2000 | |
list6 = list6 .copy() |
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