from os import getcwd import numpy as np from matplotlib.pyplot import plot as plt from time import * # COMMENT test h2 = 4 # this is a comment """this is also a comment""" # Import testt # class test class Hello:  def __init__(self, x):  self.name = x  def selfprint(self):  print("hello my name is ", self.name)  def testprint(self):  print(1*2, 2+3, 4 % 5, 8-4, 9/4, 23//4) H1 = Hello("john") H1.selfprint() H1.testprint() # list test a = [1, 2, 3, 4, 5] a.sort() print(a[1:3]) print(a[:4]) print(a[2]) print(a[2:]) # dictioary test # copied from w3school example myfamily = {  "child1": {  "name": "Emil",  "year": 2004  },  "child2": {  "name": "Tobias",  "year": 2007  },  "child3": {  "name": "Linus",  "year": 2011  } } # touple test testTuple = ("one", 2, "3") print(testTuple) print(np.random.randint(5, 45)) # string test a = "hello world" b = """good morning hello world bye""" formattest = "teststring is ={}".format(5) # lamda test def x2(n):  lambda n: n/7 # if else ladder if 1 > 2:  print("yes") elif 4 > 5:  print("maybe") else:  print("no") # loops i = 5 while(i > 0):  print(i)  i -= 1 for x in range(1, 20, 2):  print(x)