import matplotlib.pyplot as plt

import random as ra

n $=$ int$($input$("$how many coins do you have? $($enter a postiv integer$)$: $"))$

r $=$ float$($input$("$What is the coins radius size r$=?($r$<0\mathrm{.}5)$: $"))$

crossing$\_$crack $=0$

for i in range$(0,$n$)$:

rnx $=$ ra$.$random$()$

rny $=$ ra$.$random$()$

if rny