python random.int
时间: 2023-11-15 22:56:54 浏览: 269
Python中的random模块提供了生成随机数的函数,其中randint()函数可以生成指定范围内的随机整数。例如,使用以下代码可以生成一到一百之间的随机整数:
```
import random
random_int = random.randint(1, 100)
print(random_int)
```
除了生成单个随机整数外,有时我们还需要生成随机整数的序列。Python标准库中的random模块中的sample()
相关问题
python random.int期望
Python中的random模块提供了许多随机数生成函数,其中包括randint()函数Python中的random模块提供了许多随机数生成函数,其中包括randint()函数。randint()函数用于生成指定范围内的随机整数,其期望值为所给定范围的中间值。例如,如果你使用randint(1, 10)生成1到10之间的随机整数,那么期望值就是(1+10)/2=5.5。需要注意的是,这只是一个期望值,实际生成的随机数可能会偏离这个值。
python random.Random
The random.Random class in Python is used to generate random numbers. It is a pseudorandom number generator that uses a deterministic algorithm to generate a sequence of numbers that appear to be random. The class provides methods to generate random numbers of different types, such as integers, floats, and boolean values. It also allows you to set the seed value to generate the same sequence of random numbers every time you run the program.
Here is an example of how to use the random.Random class to generate a random integer between 1 and 100:
```
import random
# create a new instance of the Random class with a seed value of 42
rng = random.Random(42)
# generate a random integer between 1 and 100
random_int = rng.randint(1, 100)
print(random_int)
```
In this example, we first import the random module and create a new instance of the Random class with a seed value of 42. We then use the `randint()` method of the `rng` object to generate a random integer between 1 and 100. Finally, we print the generated random integer. Since we have set the seed value to 42, we will always get the same random integer when we run this program.
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