I am getting into Python from html  
flag = 0
nds = 100
ds = '_'
dss = '-'
print(ds*nds)
print('I am in Python')
sp = " "
print(ds*nds)
print('How to use: while')
print(dss*(nds//2))
n = 0
while n < 10:
print(n)
n = n + 1
print(ds*nds)
print('How to calculate factorial with while')
print(dss*(nds//2))
x = 4
i = 1
fac = 1
while i <= x:
fac *= i
i += 1
print(f'{x} factorial is {fac}')
print(ds*nds)
print('How to use: for')
print(dss*(nds//2))
for n in range(5):
print(n)
for n in range(10,20,2):
print(n)
print("$"*n)
print(ds*nds)
print('How to play strings by loops')
print(dss*(nds//2))
s = "demo loops- fruit loops"
for index in range(len(s)):
if s[index] == 'i' or s[index] == 'u':
print(f' there is an i or u')
flag = 1
print(ds*nds)
print('Speed testing of "for" loop in MIT Python Lecture 4')
print(dss*(nds//2))
if flag == 1:
ok = int(input("Enter the triple loop integer number: "))
print(ok)
from datetime import datetime
now = datetime.now()
current_time = now.strftime("%H:%M:%S")
print(f"Start Loop Time = {current_time}")
for A in range(ok+1):
for B in range(ok+1):
for C in range(ok+1):
total = (A+B+C == ok)
two_less = (B == A-2)
twice = (C == 2*A)
if total and two_less and twice:
print(f"A sold {A} tickets")
print(f"B sold {B} tickets")
print(f"C sold {C} tickets")
from datetime import datetime
now = datetime.now()
current_time = now.strftime("%H:%M:%S")
print(f"End Loop Time = {current_time}")
print(ds*nds)
print('Tesla Formula')
print(dss*(nds//2))
import math
pi = 3.1415926
a = 0.25
b = 0.5
sk = 51
ix = 51
ww = []
xx = []
for i in range(ix):
x = i*0.3
xx.append(x)
w = 0
for k in range(sk):
w += (a**k)*math.cos((b**k)*(pi/4)*x)
if k == 0:
w = w - 0.0
ww.append(w)
print(f"x = {xx}")
print(f"w = {ww}")
print(ds*nds)
print('Plot Tesla Formula Curve')
print(dss*(nds//2))
import matplotlib.pyplot as plt
plt.plot(xx, ww)