Python: Construct a seeded random number and float number generator
Python module: Exercise-4 with Solution
Write a Python program to construct a seeded random number generator, also generate a float between 0 and 1, excluding 1.
Use random.random()
Sample Solution:
Python Code:
import random
print("Construct a seeded random number generator:")
print(random.Random().random())
print(random.Random(0).random())
print("\nGenerate a float between 0 and 1, excluding 1:")
print(random.random())
Sample Output:
Construct a seeded random number generator: 0.4209937412831368 0.8444218515250481 Generate a float between 0 and 1, excluding 1: 0.5000494615698478
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Next: Write a Python program to generate a random integer between 0 and 6 - excluding 6, random integer between 5 and 10 - excluding 10, random integer between 0 and 10, with a step of 3 and random date between two dates.
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Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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