Essential Books

Check for number of occurrences of an element using count method

suggest change

count() will return the number of times and element appears in an array. In the following example we see that the value 3 occurs twice. 

my_array = array('i', [1,2,3,3,5])
my_array.count(3)
# 2
Found a mistake? Have a question or improvement idea? Let me know.

Feedback about page:

Feedback:
Optional: your email if you want me to get back to you:

Arrays:
*Arrays
*Access individual elements through indexes
*Basic Introduction to Arrays
*Append any value to the array using append method
*Insert value in an array using insert method
*Extend python array using extend method
*Add items from list into array using fromlist method
*Remove any array element using remove method
*Remove last array element using pop method
*Fetch any element through its index using index method
*Reverse a python array using reverse method
*Get array buffer information through buffer info method
*Check for number of occurrences of an element using count method
*Convert array to string using tostring method
*Convert array to a python list with same elements using tolist method
*Append a string to char array using fromstring method
Table Of Contents
0Getting Started
1List comprehension
2Filter
3List
4Functions
5Decorators
6Math module
7Loops
8Random module
9Comparisons
10Importing modules
11Sorting Minimum and Maximium
12Operator module
13Variable Scope and Binding
14Basic Input and Output
15Files, Folders, I/O
16JSON Module
17String Methods
18Metaclasses
19Indexing and Slicing
20Generators
21Simple Mathematical Operators
22Reduce
23Map Function
24Exponentation
25Searching
26Dictionary
27Classes
28Counting
29Manipulating XML
30Date and Time
31Set
32Collections module
33Parallel computation
34Multithreading
35Writing C extensions
36Unit Testing
37Regular Expressions
38Bitwise Operators
39Incompatibilities moving from Python 2 to Python 3
40Virtual environments
41Copying data
42Tuple
43Context Managers with Statement
44Hidden Features
45Enum
46String Formatting
47Conditionals
48Complex math
49Unicode and bytes
50The __name__ special variable
51Check if path exists
52Networking
53Asyncio Module
54Print Function
55os.path module
56Creating Python packages
57Parsing Command Line Arguments
58HTML Parsing
59Subprocess Library
60setup.py
61List slicing
62Sockets
63Itertools Module
64Recursion
65Boolean Operators
66dis module
67Type Hints
68pip PyPI Package Manager
69locale module
70Exceptions
71Web scraping
72deque module
73Distributing self-contained applications
74Property Objects
75Overloading
76Debugging
77Reading and Writing CSV
78Dynamic code execution with exec and eval
79PyInstaller - Distributing Python Code
80Iterables and Iterators
81Data Visualization
82The interpreter command line console
83args and kwargs
84functools module
85Garbage Collection
86Indentation
87Security and Cryptograhy
88Pickle data serialization
89urllib
90Binary Data
91Python and Excel
92Idioms
93Method Overriding
94Difference between a module and a package
95Data Serialization
96Python Concurrency
97RabbitMQ using AMQPStorm
98PostgreSQL
99Descriptor
100Common Pitfalls
101Multiprocessing
102Creating temporary files with tempfile
103Working with ZIP files
104Stack
105Profiling
106User-Defined Methods
107Working around Global Interpreter Lock
108Deployment using conda
109Logging
110Processes and Threads
111os module
112Comments and documentation
113Database Access
114Python HTTP Server
115Alternatives to switch statement from other languages
116List destructuring
117Accessing Python source code and bytecode
118Mixins
119Attribute Access
120ArcPy
121Python Anti-Patterns
122Plugin and Extension Classes
123Websockets
124Immutable data types
125String representations of class
126Arrays
127Operator Precedence
128Polymorphism
129Alternative Python implementations
130List Comprehensions
131Web Server Gateway Intrerface WSGI
1322to3 tool
133Abstract Syntax Tree
134Abstract Base Classes
135Unicode
136ssh in Python
137Serial Communication with pyserial
138Neo4j
139Performance optimization
140Curses
141Templates
142pass statement
143Testing with py.test
144Date Formatting
145heapq
146tkinter
147CLI subcommands
148Defining functions with list arguments
149SQLite3 module
150Persistence with pickle
151Connecting to SQL Server
152Design Patterns
153Multidimensional arrays
154Audio
155pyglet
156queue module
157ijson
158webbrowser module
159base64 module
160Flask
161Groupby
162Sockets and Message Encryption / Decryption
163pygame
164Input Subset and Output External Data Files using Pandas
165hashlib
166Gzip
167ctypes
168Creating a Windows Service
169Mutable vs. Immutable
170configparser
171Common Exceptions
172Optical Character Recognition OCR
173Python Data Types
174Partial functions
175Generating graphs
176Unzipping Files
177Functional Programming
178Python Virtual Environment - virtualenv
179sys module
180virtual environment with virtualenvwrapper
181virtualenvwrapper on Windows
182Python Requests Post
183Plotting with Matplotlib
184Python Lex-Yacc
185pyaudio
186shelve
187pip and PyPI Package Manager
188Writing to CSV from String or List
189Raise Custom Errors Exceptions
190Using loops within functions
191Contributors