Продолжаю изучать Python, и он меня удивляет.
Пример почти из книги:
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arr = [1, 2, 3]
print("type(arr)=",type(arr))
arr[1] = 100500
for i in range(len(arr)):
print(i," ",arr[i])
trr = (1, 2, 3)
print("type(trr)=",type(trr))
for i in range(len(trr)):
print(i," ",trr[i])
print(id(arr))
print(id(trr))
trr[1] = 100500
Запускаю, получаю такой ответ
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type(arr)= <class 'list'>
0 1
1 100500
2 3
type(trr)= <class 'tuple'>
0 1
1 2
2 3
31557752
31558312
Traceback (most recent call last):
File "C:/web_tester/Study_NotWTProject/StudyDicts.py", line 14, in <module>
trr[1] = 100500
TypeError: 'tuple' object does not support item assignment
Process finished with exit code 1
Ни чего не меняя, запускаю ещё раз, ответ уже такой
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Traceback (most recent call last):
type(arr)= <class 'list'>
0 1
File "C:/web_tester/Study_NotWTProject/StudyDicts.py", line 14, in <module>
1 100500
trr[1] = 100500
2 3
TypeError: 'tuple' object does not support item assignment
type(trr)= <class 'tuple'>
0 1
1 2
2 3
7637112
7637672
Process finished with exit code 1
или так
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type(arr)= <class 'list'>
Traceback (most recent call last):
File "C:/web_tester/Study_NotWTProject/StudyDicts.py", line 14, in <module>
trr[1] = 100500
0 1
TypeError: 'tuple' object does not support item assignment
1 100500
2 3
type(trr)= <class 'tuple'>
0 1
1 2
2 3
5998712
5999272
Process finished with exit code 1
