Level 1 : Reversing a string with a generator.


def reverse_string(s):
    for i in range(len(s) - 1, -1, -1):
        yield s[i]

gen = reverse_string("hello")
print("".join(gen))

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