def function_name(): str = function_name('john') # assign the function to call the function. print(str) # print the statement. How do you generate a random number between 1 and 10 in python? Generate random number between 1 and 10 in Python ...
... def read_json(self): ... self.file.seek(0) ... return json.load(self.file) ... You’ll notice two things. First, unlike .__copy__(), this method takes an argument, which must be a Python dictionary. It’s used internally by Python to avoid infinite loops when it recu...
Other programming languages like C++ and Java does not provide this type of constants, unlike Python. Writing a variable in upper case letters, may it be any variable, is considered and termed a constant. String, Tuples, and Numbers are immutable. Binding a name with const to tuples, strin...
Here is an example of a simple blockchain in Python: import hashlib import json import random class Block: def __init__(self, timestamp, transactions, previous_hash): self.timestamp = timestamp self.transactions = transactions self.previous_hash = previous_hash self.nonce = random.randint(0...
### First Steps: Your Hello World Flask API Here’s how to build your first minimal Flask REST API: ```python from flask import Flask app = Flask(__name__) @app.route('/') def hello(): return {'message': 'Hello, World!'} if __name__ == '__main__': app.run(debug=True...
Python 代码语言:javascript 代码运行次数:0 运行 AI代码解释 classEvent:defset(self):withself._cond:self._flag=True self._cond.notify_all() 其实,Condition也包含一个wait_for(eval_function, timeout)方法,用来等待某函数的返回值为真。这个方法用起来和Event的作用是很像的,你可以理解为Event只是提供了一...
import os, fnmatch def match(fld, search): for fn in os.listdir(fld): if fnmatch.fnmatch(fn, search): print(fn) match('./files', '*.csv') So, how does this script work? We begin by importing the os and fnmatch modules from the Python standard library. Then, we create the ...
Both FP4 and NF4 types are implemented in the bitsandbytes Python library. As an example, let’s convert a [1.0, 2.0, 3.0, 4.0] array to FP4:from bitsandbytes import functional as bf def print_uint(val: int, n_digits=8) -
app=Flask(__name__)@app.route('/')defhello():return'Hello, World!' Copy In the preceding code block, you first import theFlaskobject from theflaskpackage. You then use it to create your Flask application instance with the nameapp. You pass the special variable__name__that holds the...
Python class NeuralNetwork: def __init__(self, learning_rate): self.weights = np.array([np.random.randn(), np.random.randn()]) self.bias = np.random.randn() self.learning_rate = learning_rate def _sigmoid(self, x): return 1 / (1 + np.exp(-x)) def _sigmoid_deriv(self, x...