Level 5 : What is the result of this code?


f = open('file.txt', 'r');
print(f.readline())

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