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