Level 1 : What will this output?


lst = [10, 20, [30, 40], 50]
x = lst[2][1]
lst[2][0] = 99
print(lst, x)

Author: SandhyaR | Tags: list | 1859+ Python FAQs | Share
regex | thread-safe-data-structures-(queue.queue) | zfill-function | list-comprehension | append | zip-function | methods | copy | access-modifier | command-line-parsing | compute | list-method | indentation | type_conversion | class-and-inheritance | loops | comparison | class | with-statement | using-else-and-finally | tuple | while-else-loop | boolean-masking | destructor | version | data-type-conversions | basic | introduction-to-python | walking-through-directories-using-os.walk() | complex | import-method | touples | virtual-environment | threading | int | data-type | joining-and-merging-dataframes | control-statement | using-the-threading-module | syntax-error | conditional-statement | dictionaries | binary | boolean-and-non-boolean | indexing:-loc-vs-iloc | conditional-statements | asyncio-module | update | shallow-copy | application | string-formatting | tuple-methods | constructor | string-slicing | using-map()-for-transformations | conditional-statement | bitwise | sum-function | debugging | dictionary | collections | introduction-to-threads | arbitrary-arguments-(*args,-**kwargs) | list-indexing | asyncio | arithmetic-expression | string | dictionary-methods | loop | async | input-function | reading-and-writing-large-files-efficiently | pep | name-mangling | library | nested-loop | list-methods-and-slicing | integers | python-history | input | difference-between-threads-and-processes | inherit | odd-number | numeric | math | control-flow | math-copysign | staticmethod | file-handling | __future__ | opening-files-(open()) | creating-custom-modules | string-slicing | min-function | comment | literal-characters-and-special-characters | package-management | functional-programming | benefit | thread-synchronization | syntaxerror | round | version-check | quantifiers-(*,-+,-?,-{}) | key-value-pairs | sorted | bitwise-operator | assert | higher-order-function | file_handling | error-handling | parameter | recurssion | lambda-functions | objects | functions | time-series-with-pandas | generator | file-handling | function | rollback | list-join | string-iteration | identity-operator | while-loops | statement | identity-operators-(is,-is-not) | indexing | sum() | file | python-repl | built-in-modules | data-structure | identifier | method | type-conversion | typeerror | python-syntax-and-structure | namespace | pass | dicts | regular-expressions | precedence-and-associativity | object-attribute | thread | global-variable | data-structures-in-python | join | list,-set,-and-dictionary-comprehensions | choice | working-with-dates-and-times | gil | random-function | design-principle | error | array | using-lists-as-stacks | operand | recursion | managing-directories-with-os-and-shutil | assignment-operators | python-operators | counter | fabs-function | lists | invalid-list | built-in-function | class-and-object | condition | split | loop-control | range | max-min | keyword | installation | format | enumerate() | reading:-read(),-readline(),-readlines() | immutable-data-type | swapping | mutable | booleans | complex-number | operator-overloading | loop-control-statements | boolean | round-function | handling-missing-values-(fillna,-dropna) | creating-and-starting-threads | strings | anchors-(^,-$) | sorting | context-manager | operator-and | center | polymorphism | decorator | built-in | mapping-function | matrix | global-keyword | set-operation | python-module | def | classes | function-and-scope | memory | exception-handling | mathematics | bitwise-operator | class-and-instance-variable | parsing-with-strptime | intering | python-django | yield | unit-testing | scientific-notation | default-arguments | encoding | sorting-and-ranking | sys-module | postfix | data-structure | data-types | head-and-tail | __all__-attribute | string-method | goto-function | counter-function | introduction-to-multiprocessing | error-handling | random | __init_subclass__ | using-assertions-(assertequal,-assertraises) | overflow | multiple-inheritance | datetime | identity-operator | using-join()-and-is_alive()-methods | expression | immutability | generators | list-comprehension | using-yield-in-functions | while-loop | lambda-function | using-os-and-pathlib-modules | filtering-and-indexing | memory-management | map-function | binary-operation | operator-or | method-overloading | data_structure | oops | integer | zip | multithreading | list-operation | conversion | for | mathematical-function | data-type | lambdas | collection | list | tuples | print | encapsulation | multiprocessing | regular-expression | iterable | advanced-file-operations | expand-tab | sys | floating-point-precision | data-structures | functional-programming | dataframe-and-series-objects | oop | writing:-write(),-writelines() | default-mutable-argument | comprehension | working-with-file-paths | syntax-error | overriding-methods | namedtuple | exception-handling | defining-functions | raise-statement | operators | stack | call | turtle | aggregating-data-with-functools.reduce() | deep-copy | list-vs-tuple | membership-operators-(in,-not-in) | filter | min-max-function | arithmetic-operation | feature | print-statement | function-argument | assignment-operator | else-statement | class-decorators | python | iterators | operator | sets | global-variable | string-method | pandas | datetime.date,-datetime.time,-datetime.datetime | type-conversion | string-concatenation | control-flow | return-statement | string-formatting | static-method | filter-function | attribute | init | logical-operation | else | logical-operator | pseudocode | descriptors | magic-method | python_version | datatype | list-mutation | factorial-function | why-use-multiprocessing-over-threading?-(gil) | syntax | dictionary-comprehensions | working-with-temporary-files-using-tempfile | mysql | decimal | input-function | interpreter | generators-in-python | id-function | lambda | implementation | set | string-manipulation | exception | pickling--unpickling | matplotlib | formal-and-actual-parameter | floats | docstring | raise | virtual-environment | slice | numpy | formatting-with-strftime | operations | software-design | inheritance | list-comprehensions | frozenset | global | escape-operator | list-slicing | tuple-unpacking | directory-operations | working-with-binary-files-(rb,-wb) | type-conversion-and-casting | while-and-for-loop | test-discovery | heap-memory | precedence | variable | single-inheritance | logical-operators | exponentiation | multiple-inheritance | module | iterator | built-in-function | logical-operator | matrix-list-comprehension | match | multiple-except-blocks | string-methods | reading-and-writing-files | slicing ...