Level 4 : What is the output of the following code?
from collections import defaultdict
data = ['apple', 'banana', 'apple', 'orange', 'banana', 'apple']
counts = defaultdict(int)
for item in data:
counts[item] += 1
print(counts)
operator
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reading:-read(),-readline(),-readlines()
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random
|
package-management
|
list-vs-tuple
|
objects
|
logical-operation
|
operations
|
using-os-and-pathlib-modules
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using-map()-for-transformations
|
method
|
tuple
|
string-manipulation
|
regex
|
yield
|
operator-overloading
|
python-history
|
time-series-with-pandas
|
list-slicing
|
type-conversion
|
parsing-with-strptime
|
math
|
loops
|
raise-statement
|
thread
|
overriding-methods
|
python_version
|
update
|
list,-set,-and-dictionary-comprehensions
|
list-operation
|
tuple-unpacking
|
python-module
|
set
|
string-methods
|
while-else-loop
|
version-check
|
min-function
|
multiprocessing
|
max-min
|
pep
|
numpy
|
math-copysign
|
sys-module
|
postfix
|
managing-directories-with-os-and-shutil
|
while-and-for-loop
|
encoding
|
directory-operations
|
set-operation
|
oop
|
string-concatenation
|
identity-operators-(is,-is-not)
|
collections
|
functional-programming
|
input-function
|
introduction-to-python
|
nested-loop
|
compute
|
list-mutation
|
file
|
mutable
|
asyncio-module
|
mysql
|
writing:-write(),-writelines()
|
module
|
access-modifier
|
scientific-notation
|
input-function
|
formal-and-actual-parameter
|
boolean-and-non-boolean
|
match
|
round-function
|
functional-programming
|
generators-in-python
|
class-and-inheritance
|
implementation
|
syntaxerror
|
map-function
|
__future__
|
static-method
|
zip
|
precedence
|
context-manager
|
aggregating-data-with-functools.reduce()
|
floating-point-precision
|
oops
|
overflow
|
list-comprehension
|
python-operators
|
sum()
|
join
|
decimal
|
default-mutable-argument
|
logical-operators
|
call
|
staticmethod
|
datetime.date,-datetime.time,-datetime.datetime
|
matrix-list-comprehension
|
sets
|
memory
|
walking-through-directories-using-os.walk()
|
operator-and
|
format
|
raise
|
creating-and-starting-threads
|
boolean
|
comment
|
while-loops
|
sorted
|
print-statement
|
multiple-inheritance
|
arithmetic-operation
|
data-structure
|
introduction-to-multiprocessing
|
complex-number
|
single-inheritance
|
swapping
|
exponentiation
|
key-value-pairs
|
exception-handling
|
defining-functions
|
working-with-temporary-files-using-tempfile
|
list-comprehensions
|
thread-synchronization
|
dicts
|
installation
|
matplotlib
|
data-type
|
iterable
|
type_conversion
|
control-flow
|
using-lists-as-stacks
|
data_structure
|
comparison
|
lists
|
asyncio
|
error
|
bitwise-operator
|
def
|
precedence-and-associativity
|
counter-function
|
iterator
|
stack
|
id-function
|
pandas
|
condition
|
for
|
counter
|
logical-operator
|
docstring
|
dictionary-methods
|
reading-and-writing-files
|
formatting-with-strftime
|
indexing
|
multiple-except-blocks
|
lambda-function
|
quantifiers-(*,-+,-?,-{})
|
operand
|
classes
|
head-and-tail
|
file-handling
|
using-else-and-finally
|
dataframe-and-series-objects
|
sorting-and-ranking
|
using-assertions-(assertequal,-assertraises)
|
filter
|
namedtuple
|
benefit
|
function-argument
|
version
|
copy
|
virtual-environment
|
syntax
|
using-yield-in-functions
|
default-arguments
|
string-slicing
|
descriptors
|
thread-safe-data-structures-(queue.queue)
|
list-methods-and-slicing
|
escape-operator
|
function
|
sum-function
|
global
|
deep-copy
|
name-mangling
|
pseudocode
|
array
|
syntax-error
|
fabs-function
|
inheritance
|
arithmetic-expression
|
class-and-instance-variable
|
variable
|
identifier
|
booleans
|
__init_subclass__
|
inherit
|
boolean-masking
|
else-statement
|
list-join
|
bitwise
|
error-handling
|
advanced-file-operations
|
arbitrary-arguments-(*args,-**kwargs)
|
class
|
working-with-file-paths
|
turtle
|
anchors-(^,-$)
|
string-iteration
|
expand-tab
|
method-overloading
|
error-handling
|
string-slicing
|
higher-order-function
|
heap-memory
|
file-handling
|
split
|
lambda
|
namespace
|
command-line-parsing
|
built-in-modules
|
init
|
encapsulation
|
loop-control-statements
|
binary
|
operators
|
conditional-statement
|
constructor
|
membership-operators-(in,-not-in)
|
introduction-to-threads
|
mathematics
|
control-flow
|
generator
|
indexing:-loc-vs-iloc
|
python-repl
|
assignment-operators
|
identity-operator
|
floats
|
range
|
list-indexing
|
application
|
pass
|
threading
|
lambdas
|
factorial-function
|
file_handling
|
memory-management
|
pickling--unpickling
|
software-design
|
data-structures-in-python
|
magic-method
|
indentation
|
min-max-function
|
iterators
|
import-method
|
datetime
|
methods
|
reading-and-writing-large-files-efficiently
|
dictionary
|
exception-handling
|
multiple-inheritance
|
generators
|
touples
|
async
|
data-types
|
strings
|
numeric
|
built-in-function
|
collection
|
string-formatting
|
zip-function
|
global-variable
|
mapping-function
|
conditional-statements
|
immutability
|
parameter
|
keyword
|
immutable-data-type
|
using-the-threading-module
|
tuples
|
loop-control
|
string-method
|
round
|
integers
|
complex
|
data-type
|
exception
|
list-method
|
__all__-attribute
|
class-and-object
|
zfill-function
|
rollback
|
statement
|
tuple-methods
|
string-formatting
|
difference-between-threads-and-processes
|
working-with-dates-and-times
|
goto-function
|
operator-or
|
polymorphism
|
python-syntax-and-structure
|
shallow-copy
|
virtual-environment
|
library
|
built-in-function
|
data-structures
|
decorator
|
int
|
sys
|
assignment-operator
|
handling-missing-values-(fillna,-dropna)
|
object-attribute
|
python
|
lambda-functions
|
interpreter
|
recursion
|
mathematical-function
|
string
|
regular-expression
|
regular-expressions
|
typeerror
|
global-keyword
|
multithreading
|
test-discovery
|
feature
|
append
|
else
|
invalid-list
|
sorting
|
python-django
|
using-join()-and-is_alive()-methods
|
why-use-multiprocessing-over-threading?-(gil)
|
attribute
|
datatype
|
joining-and-merging-dataframes
|
literal-characters-and-special-characters
|
print
|
list
|
dictionary-comprehensions
|
list-comprehension
|
built-in
|
matrix
|
comprehension
|
functions
|
return-statement
|
conversion
|
string-method
|
identity-operator
|
class-decorators
|
center
|
data-type-conversions
|
opening-files-(open())
|
working-with-binary-files-(rb,-wb)
|
integer
|
choice
|
binary-operation
|
loop
|
frozenset
|
data-structure
|
dictionaries
|
enumerate()
|
expression
|
creating-custom-modules
|
input
|
type-conversion-and-casting
|
gil
|
while-loop
|
basic
|
intering
|
function-and-scope
|
syntax-error
|
filter-function
|
filtering-and-indexing
|
assert
|
conditional-statement
|
debugging
|
global-variable
|
slice
|
bitwise-operator
|
control-statement
|
recurssion
|
destructor
|
random-function
|
design-principle
|
odd-number
|
unit-testing
|
slicing
|
logical-operator
|
with-statement
|
type-conversion
...