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

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