Level 1 : What will be printed by this code?


d = {'x': 10}
d['y'] = d.get('y', []) + [20]
print(d)

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