letroot

def r_sqrt(a):
    
    a = float(a)
    if a == 0.0:
        return 0.0
    x = a

    def sqrt(x):
        epsilon = 0.000000000000001
        y = (x + a/x) / 2

letroot

# this is learntris.py
import sys

def print_row():
    row = '. ' * 10
    return row.strip() + '\n'

def print_grid():
    row_list = []
    for i in range(22):

letroot

class Course:

    def __init__(self, name, units, status, score):
        # global get_gpa
        self.name = name
        self.units = units
        self.status = status
        self.score = score
        self.gpa = self.get_gpa()
        self.wgpa = self.gpa * self.units

letroot

class Course:

    def __init__(self, name, units, status, score):
        self.name = name    # name of the course
        self.units = units  # number of units the course weighs
        self.status = status # can assume C, R or E
        self.score = score  # the score achieved in the course

    @property
    def wgpa(self):

letroot

def multiply(x, y):
	if y == 0:
		return 0
	z = multiply(x, y/2)
	if y%2 == 0:
		return 2*z
	else:
		return x + 2*z

letroot

>>> import sys
>>> def stuff():
...     print("calling stuff!")
... 
>>> def printer(frame, event, arg):
...     print(frame, event, arg)
...     return printer  # return itself to keep tracing
... 
>>> sys.settrace(printer)  # register the tracing function
>>> stuff()

letroot

SOURCE_FILE = "data.txt"
DEST_FILE = "out.txt"

def stringify(s):
    return('\"{}\"'.format(s.strip()))

def stringify_ls(string_ls):
    return ','.join(list(map(stringify, string_ls.split(','))))

def stringify_file(source_file, dest_file): 

letroot

import pdfkit
import requests
from bs4 import BeautifulSoup

html = requests.get("http://www.composingprograms.com/")
soup = BeautifulSoup(html.text, 'html.parser')

res = []
for link in soup.find_all('a'):
  linkstr = link.get('href')

letroot

import requests
from bs4 import BeautifulSoup

ROOT_URL = "https://talendexpert.com/page/{pg_num}"

# for page in range(2,193):        
#     html_doc = requests.get(ROOT_URL.format(pg_num=page)).text
#     soup = BeautifulSoup(html_doc, 'html.parser')
#     for link in soup.findAll("h1", attrs={'class':"product_title"}):
#         print (link.a.name)

letroot

for i in range(1, 101):
  pass
  # this one goes from 1 to 100
 
for i in range(1, 100, -1):
  print (i)