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Question Result 1101

Python-এ Variable Naming Rules বিস্তারিতভাবে আলোচনা করো।

Python-এ variable name দেওয়ার জন্য কিছু rules follow করতে হয়। Rules: Letter বা underscore দিয়ে শুরু করতে হবে Digit প্রথমে ব্যবহার করা যাবে না Only alphanumeric ও underscore ব্যবহার করা যাবে Keyword ব্যবহার করা যাবে না Case-sensitive Example: valid_name = 10...

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Question Result 1102

Python-এ Whitespace এবং Indentation-এর ভূমিকা ব্যাখ্যা করো।

Python-এ whitespace এবং indentation খুব গুরুত্বপূর্ণ কারণ এটি code block define করে। Example: if True: print("Correct indentation") Without indentation: if True: print("Error") এই ক্ষেত্রে error হবে। Role: Code structure define করে Readability বাড়ায় Syntax e...

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Question Result 1103

Python-এ একটি “Hello World” program কীভাবে লেখা ও execute করা হয়?

Hello World Program: print("Hello, World!") Execution Steps: Python file তৈরি করো (hello.py) Code লিখো Command prompt-এ run করো python hello.py Output: Hello, World! এই program programming শেখার প্রথম ধাপ।

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Question Result 1104

Python-এর Execution Modes ব্যাখ্যা করো।

Python-এ দুটি execution mode আছে: 1. Interactive Mode Line-by-line execute হয় Immediate output পাওয়া যায় Testing-এর জন্য ভালো >>> print("Hello") Hello 2. Script Mode .py file আকারে program লেখা হয় একবারে পুরো program execute হয় Large program-এর জন্য ব্যবহ...

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Question Result 1105

Selection in Array Python

In Python, you can perform selection (i.e., accessing a specific element in an array) using the index of the element. Here's an example: arr = [1, 2, 3, 4, 5] # Accessing the first element of the array print(arr[0]) # Accessing the third element of the array p...

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Question Result 1106

State some distinguishable features of Python.

Python is a modern, powerful, interpreted language with objects, modules, exceptions (or interrupts) and automatic memory management. Salient Features of Python are: ⚫ Simple and Easy: Python is a simple language that is easy to learn. ⚫ Free/Open source: Anyb...

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Question Result 1107

String Data Type কী? এর বৈশিষ্ট্য ব্যাখ্যা করো।

String হলো character-এর sequence যা text store করতে ব্যবহৃত হয়। Example: name = "Python" message = 'Hello World' ---------------------------------------------------- Features of String: Quotes-এর মধ্যে লেখা হয় Immutable data type Indexing support করে Concate...

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Question Result 1108

Traversal in Array using Python

In Python, you can traverse an array using a for loop. Here's an example: arr = [1, 2, 3, 4, 5] for element in arr: print(element) This will print each element of the array arr on a new line. You can also use a for loop with the range function to access each e...

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Question Result 1109

Tuple packing in Python | What | When useful | Example

Tuple packing is a feature of Python that allows you to group multiple values into a single tuple. When you create a tuple with multiple values separated by commas, Python automatically creates a tuple and packs the values into it. Here is an example of tuple ...

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Question Result 1110

Tuples are immutable in Python | Why | Example

Tuples are immutable because once a tuple object is created, its contents cannot be modified. This means that you cannot add, remove, or change elements of a tuple. This immutability is different from lists, which are mutable and allow you to modify their cont...

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Question Result 1111

What are operators in Python?

Operators in Python are special symbols or characters that perform specific operations on operands (variables, values, or expressions) to produce a result. They are used to manipulate data in Python programs, such as performing mathematical calculations, compa...

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Question Result 1112

What are some popular Python libraries for interacting with databases?

Answer: Some popular Python libraries for database connectivity include SQLAlchemy, psycopg2, PyMySQL, and cx_Oracle.

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Question Result 1113

What are the benefits of inheritance in Python?

Answer: The benefits of inheritance in Python include code reuse, modularity, and abstraction.

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Question Result 1114

What are the benefits of using Python?

1. Python is an easy-to-learn, versatile programming language that has a wide variety of applications. It is an interpreted language, meaning that scripts written in Python do not need to be compiled before being run. This makes it simpler to modify existing c...

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Question Result 1115

What are the common data types in Python?

The common data types in Python are: strings, integers, floats, lists, tuples, dictionaries, and sets.

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Question Result 1116

What are the differences between Python 2.x and Python 3.x?

Python 2.x and Python 3.x are two major versions of the Python programming language that have some differences. Here are some of the key differences between the two versions: Print statement: In Python 2.x, the print statement is used for printing, while in Py...

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Question Result 1117

What are the different types of errors in Python?

There are several types of errors in Python, including: Syntax errors: These occur when the Python interpreter encounters code that doesn't follow the correct syntax for the language. For example, forgetting a colon at the end of a line or using an incorrect i...

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Question Result 1118

What are the different types of memory management in Python?

In Python, memory management is handled automatically by the Python interpreter, so you don't have to worry about explicitly allocating and freeing memory in your code. The Python memory manager keeps track of all the objects in your program, and automatically...

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Question Result 1119

What are the different types of modules in Python?

In Python, there are several different types of modules, including: Built-in modules: These are modules that are included with the Python standard library and are automatically available to all Python programs. Examples of built-in modules include math, os, sy...

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Question Result 1120

What are the different types of operators in Python?

In Python, there are several types of operators: Arithmetic operators: These are used to perform mathematical operations, such as addition (+), subtraction (-), multiplication (*), division (/), floor division (//), and modulo division (%). Comparison operator...

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