Level 5 : What will the following code output?


def func(x, y=[]):
    y.append(x)
    return y

print(func(1))
print(func(2, []))
print(func(3))

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