Level 1 : What is the output of this nested list comprehension?


matrix = [[1, 2], [3, 4], [5, 6]]
result = [[num for num in sublist if num % 2 == 0] for sublist in matrix]
print(result)

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