import numpy as np
from scipy.optimize import minimize

# 定义目标函数
def objective_function(x):
    return (x[0]-0.5)**2 + (x[1]-0.1)**2



if __name__=='__main__':
    # # 初始猜测值
    # initial_guess = np.array([2, 2])
    # # 使用minimize函数进行优化
    # result = minimize(objective_function, initial_guess)
    # print(result)
    a=20
    b=18
    print(f'Hello-{hex(a)}')
    print(f'Hello-%x-%4d' %(a,b))