Level 1 : What does the following expression return?


d = {'a': 1, 'b': 2}
print(d.fromkeys(['x', 'y'], 10))

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