Level 9 : What is a Python decorator and its use in functions?

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