Random Numbers in Python | Jupyter Notebook | Python Data Science for beginners

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Random numbers are a vital aspect of programming, and Python provides several ways to generate them. These random numbers are used in various applications, such as games, simulations, and cryptography.

One of the most basic ways to generate a random number in Python is through the use of the built-in `random` module. This module provides various functions that can be used to generate random numbers of various types, such as integers, floating-point numbers, and selections from a list. For example, the `random.randint()` function can be used to generate a random integer between a specified range. The `random.uniform()` function can be used to generate a random floating-point number between a specified range. And the `random.choice()` function can be used to randomly select an item from a list.

Another way to generate random numbers in Python is through the use of NumPy, which is a powerful library for numerical computation in Python. The `numpy.random` module provides several functions to generate random numbers, such as `numpy.random.rand()` to generate an array of random numbers between 0 and 1, `numpy.random.randint()` to generate random integers within a specified range, and `numpy.random.randn()` to generate random numbers from a standard normal distribution.

Additionally, it’s important to note that the above-mentioned functions generate pseudo-random numbers which are based on an algorithm and use a seed as input. The seed is a number that initializes the algorithm and generates the same sequence of random numbers every time it’s given the same seed.

In conclusion, random numbers play an important role in many areas of programming, and Python offers several ways to generate them through its built-in `random` module and NumPy library. These functions can be used to generate various types of random numbers, such as integers, floating-point numbers, and selections from a list. It’s important to understand that these are pseudo-random numbers and the seed can be set to generate the same sequence.

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