Level 5 : What will be the output of the following Python code?


x = ['ab', 'cd']
for i in x:
    x.append(i.upper())
print(x)

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