Python Tutorials

Basics in Python

Introduction of Python
Keywords in Python
Data Types in Python
Hello World Program in Python
Add Two Numbers in Python
Input from User in Python

Decision Making

If Statement in Python
If and Else Statement in Python
If and Else If and Else Statement in Python
Calculator using If Statement in Python

Loops

While Loop in Python
While Loop User Input in Python
Triangle using While Loop in Python
For Loop in Python
For Loop using Continue in Python
Do While Loop in Python

Functions

Functions in Python
Calling Function inside Function in Python
Passing Arguments to Function in Python
Passing Arguments to Function and Return in Python
Calling Function of Custom Python File in Python

Arrays

Array in Python
Find Min and Max Number in Array in Python
Sorting Array Elements in Python
User Input in Array in Python
Two Dimensional Array in Python

Classes

Classes in Python
Passing Arguments in Class in Python
Default Constructor in Class in Python
Working with Multiple Classes in Python

Inheritance

Inheritance in Python
Passing Arguments in Inheritance in Python
Multiple Inheritance in Python

Polymorphism

Polymorphism in Python

Exception Handling

Exception Handling in Python
User Defined Exception in Python

Data and Time

Data and Time in Python
Data and Time Format in Python

File Handling

Read Text File in Python
Write Text File in Python
Create and Delete Directory in Python
Searching File and Listing Directories in Python
Working with File Properties in Python
File Opening Modes in Python

More Examples

Working with Sleep in Python
Multithreading in Python
Open Computer Application in Python
Open File using Specific Application in Python
Open and Close Computer Application in Python
Encoding and Decoding Text in Python
Working with JSON in Python
Working with String in Python

Crawler and Scraping

Website Crawler in Python
Scraping Data from Website in Python
Scraping Data and Saving in Text File in Python
Scraping Data and Saving in MySQL Database in Python
Scraping Data from AJAX Based Website in Python
Scraping Data by Category and Page Number in Python

Library Functions

Built-in Functions in Python
Modules in Python

Array in Python

Array in Python programming is a collection of the same type of data items, which is accessed by using common name. we use two types of arrays in Python programming one-dimensional array and two-dimensional array.

Program Printing Array

Program


arr = [1, 4, 22, 43, 4, 5] #'arr' is name of Array and assigning Elements to it.
print(arr) #and printing, it printing '[1, 4, 22, 43, 4, 5]'.

Output

[1, 4, 22, 43, 4, 5]

Program Printing Array Elements

Program


arr = [1, 4, 22, 43, 4, 5] #'arr' is name of Array and assigning Elements to it.
for num in arr: #loop looping on 'arr' array Elements, and saving in 'num'.
    print(num) #and printing.

Output

1
4
22
43
4
5

Program Combine Printing Array Elements

Program


arr = [1, 2, 3] + [4, 5, 6] #'arr' is name of array and assigning Elements to it.
for num in arr: #loop looping on 'arr' Array Elements and saving in 'num'.
    print(num) #it printing '1 2 3 4 5 6'.

Output

1
2
3
4
5
6

Program Combining Two Array Elements and Printing

Program


arr = [1, 2, 3, 4] #assigning Elements to 'arr' array.
arr2 = [5, 6, 7, 8] #assigning Elements to 'arr2' array.
arr.extend(arr2) #Extending Arrays.
for num in arr:
    print(num)

Output

1
2
3
4
5
6
7
8

Program Appending Element to Array

Program


arr = [1, 2, 3]
arr.append(4) #appending 4 to 'arr' array Elements.
for val in arr:
    print(val) #it printing '1, 2, 3, 4'.

Output

1
2
3
4

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