def newrap(x):
    return x - f(x) / f1(x)

import plotly
import math
from plotly.graph_objs import Scatter, Layout



t1 = 0 #변수, 상수 선언
t2 = 0
t3 = 0
t4 = 0
g = 9.81
c = 12.5
m = 68.1
delta1 = 0.6
delta2 = 1.2
delta3 = 2.4
vel = 0
vel1 = 0
vel2 = 0
vel3 = 0
vel4 = 0
Ti1 = [0]
Ve1 = [0]
Ti2 = [0]
Ve2 = [0]
Ti3 = [0]
Ve3 = [0]
Ti4 = [0]
Ve4 = [0]


def velocity(vel, delta):
    value = vel + (g - c * vel / m) * delta #식의 해
    return value

def realsol(t):
    Value = 53.44*(1-math.exp(1)**(-0.18355*t))
    return Value


for a in range(0, 80): #몇번 반복할지
    vel1 = velocity(vel1, delta1)
    t1 = t1 + delta1
    T1 = round(t1, 1) #유효숫자
    VEL1 = round(vel1, 1)
    Ti1 = Ti1 + [T1]
    Ve1 = Ve1 + [VEL1]

for a in range(0, 40): #몇번 반복할지
    vel2 = velocity(vel2, delta2)
    t2 = t2 + delta2
    T2 = round(t2, 1) #유효숫자
    VEL2 = round(vel2, 1)
    Ti2 = Ti2 + [T2]
    Ve2 = Ve2 + [VEL2]

for a in range(0, 20): #몇번 반복할지
    vel3 = velocity(vel3, delta3)
    t3 = t3 + delta3
    T3 = round(t3, 1) #유효숫자
    VEL3 = round(vel3, 1)
    Ti3 = Ti3 + [T3]
    Ve3 = Ve3 + [VEL3]

for a in range(0, 4800): #몇번 반복할지
    vel4 = realsol(t4)
    t4 = t4 + 0.01
    T4 = round(t4, 1) #유효숫자
    VEL4 = round(vel4, 1)
    Ti4 = Ti4 + [T4]
    Ve4 = Ve4 + [VEL4]


plotly.offline.plot({
    "data": [Scatter(x=Ti1, y=Ve1)],
    "layout": Layout(title="ODE 풀이, delta = 0.6")
})

plotly.offline.plot({
    "data": [Scatter(x=Ti2, y=Ve2)],
    "layout": Layout(title="ODE 풀이, delta = 1.2")
})

plotly.offline.plot({
    "data": [Scatter(x=Ti3, y=Ve3)],
    "layout": Layout(title="ODE 풀이, delta = 2.4")
})

plotly.offline.plot({
    "data": [Scatter(x=Ti4, y=Ve4)],
    "layout": Layout(title="ODE 풀이, realsol")
})

from selenium import webdriver
import time

browser = webdriver.Chrome('C:/Users/OHG/Downloads/chromedriver_win32/chromedriver') #Directory지정
browser.implicitly_wait(5) #암묵적으로 3초 딜레이
url = "https://www.youtube.com/watch?v=C7qr7-NlNw8&index=1&list=PL3Eb1N33oAXijqFKrO83hDEN0HPwaecV3"
ser = "http://jtbc.joins.com/search?term="

browser.get(url)
for a in range(1, 100): #url의 개수
    products = browser.find_elements_by_css_selector('#container > h1 > yt-formatted-string')
    for product in products:
        Z = product.text
    print(Z[13:])
    time.sleep(3)
browser.quit()

'One sweet dream'