Level 1 : Which of the following operations is invalid?

Author: SandhyaR | Tags: tuple | 1736+ Python FAQs | Share
generator | array | comprehension | sum-function | class-and-inheritance | while-else-loop | virtual-environment | exponentiation | class | __all__-attribute | generators | list-operation | lambda-function | dictionaries | input-function | syntaxerror | sorted | function-and-scope | magic-method | oop | data-type | global-variable | comparison | integer | collections | matrix-list-comprehension | multiple-inheritance | choice | nested-loop | list-vs-tuple | string-method | global-variable | boolean | command-line-parsing | range | numeric | yield | tuple-unpacking | polymorphism | control-statement | iterable | immutability | enumerate() | method | list | name-mangling | implementation | built-in-function | collection | counter-function | operator-overloading | data-type | while-and-for-loop | string-manipulation | namespace | class-and-instance-variable | loop | pseudocode | int | decorator | identity-operator | operators | staticmethod | math-copysign | python | operator-or | mathematics | error | min-function | encoding | counter | immutable-data-type | python-module | math | file-handling | module | postfix | python-repl | matrix | print-statement | copy | list-join | escape-operator | regex | identifier | zfill-function | frozenset | factorial-function | access-modifier | condition | variable | slicing | indexing | while-loop | set-operation | match | swapping | python-django | namedtuple | string-slicing | __init_subclass__ | head-and-tail | sys | heap-memory | init | min-max-function | application | python_version | max-min | expression | async | keyword | lists | split | type-conversion | python-history | objects | list-comprehension | multithreading | function-argument | higher-order-function | bitwise | mathematical-function | sorting | functional-programming | gil | syntax | expand-tab | design-principle | feature | conditional-statement | built-in | fabs-function | rollback | recursion | mysql | binary | touples | software-design | sum() | string | logical-operation | import-method | identity-operator | destructor | def | data-structure | asyncio | file-handling | input | data_structure | stack | datetime | multiprocessing | precedence-and-associativity | type_conversion | constructor | global | debugging | overflow | regular-expression | class-and-object | format | conversion | parameter | control-flow | classes | asyncio-module | conditional-statement | version-check | bitwise-operator | statement | docstring | file_handling | complex-number | package-management | indentation | list-slicing | call | center | memory | data-structure | odd-number | filter-function | scientific-notation | assignment-operator | interpreter | mutable | list-comprehension | logical-operator | functions | lambdas | round-function | built-in-function | library | print | pickling-&-unpickling | list-indexing | lambda | string-formatting | assert | iterator | loops | error-handling | typeerror | tuple | decimal | function | attribute | zip | arithmetic-operation | version | deep-copy | global-keyword | generators-in-python | object-attribute | arithmetic-expression | return-statement | static-method | bitwise-operator | type-conversion | round | input-function | operand | invalid-list | join | operations | compute | boolean-and-non-boolean | string-concatenation | loop-control | file | shallow-copy | pep | slice | oops | turtle | recurssion | syntax-error | append | basic | map-function | methods | inheritance | random-function | dictionary | logical-operator | floating-point-precision | thread | datatype | matplotlib | data-structures | installation | string-formatting | encapsulation | id-function | exception-handling | set | for | descriptors | binary-operation | default-mutable-argument | context-manager | formal-and-actual-parameter | random | __future__ | goto-function | else-statement | with-statement | dicts | control-flow | mapping-function | inherit | string-slicing | raise | filter | exception | syntax-error | update | benefit | operator-and | list-mutation | threading | string-iteration | list-method | virtual-environment | complex | string-method | comment | numpy | zip-function | sys-module | operator | exception-handling | pandas | memory-management | precedence ...