import math
import random

# m_e = 9.10938e-31
# e = 1.602e-19
# pi = 3.141592
# epsilon_0 = 8.854e-12
# h_bar = 1.05457e-34
# h=6.626e-34
# c=299792458
# my_B=9.274e-24
# k_B=1.381e-23
# avog=6.022e26
# m_Kalium=39.0983/avog

# def E(n):
#     return -m_e*e**4 / (2*(4*pi*epsilon_0*h_bar*n)**2)

# def dE(n1,n2):
#     return -m_e*e**4 / (2*(4*pi*epsilon_0*h_bar)**2) * (1/n2**2 - 1/n1**2)

# def lamb(E1,E2):
#     return c*h*(E1-E2)**-1 

# # print(E(3))
# # print(E(2))
# # print(lamb(E(3),E(2)-2*my_B*2)*10**9)
# Ekin = 3/2*k_B*600
# v_x = math.sqrt(2*Ekin/m_Kalium)
# t_acc = 0.2 / v_x
# F = my_B * 2
# d = 1/2*F/m_Kalium*t_acc**2
# v_z_end = F/m_Kalium*t_acc
# print(v_z_end/v_x)
# print(1.492+0.1492)

# sum = 0
# for i in range(18):
#     sum += random.randint(1,4)
    
# print(sum)