text: Python 3.6.8 (default, Jan 14 2019, 11:02:34) 
  [GCC 8.0.1 20180414 (experimental) [trunk revision 259383]] on linux
  Type "help", "copyright", "credits" or "license()" for more information.
  >>> a = 5
  >>> b = 10
  >>> a = b
  >>> b = a
  >>> a
  10
  >>> b
  10
  >>> a = 5
  >>> b = 10
  >>> a = b
  >>> a
  10
  >>> b
  10
  >>> a = 5
  >>> c = a
  >>> a = b
  >>> b = c
  >>> a
  10
  >>> b
  5
  >>> four = '4'
  >>> print(four*3)
  444
  >>> five = 4
  >>> print950
  Traceback (most recent call last):
    File "<pyshell#20>", line 1, in <module>
      print950
  NameError: name 'print950' is not defined
  >>> print(5)
  5
  >>> print(five*3)
  12
  >>> my_name = 'student'
  >>> print('my name is '+my_name)
  my name is student
  >>> print('Hi' + my_name)
  Histudent
  >>> my_age = 15
  >>> print('I am ' + my_age + ' years old')
  Traceback (most recent call last):
    File "<pyshell#27>", line 1, in <module>
      print('I am ' + my_age + ' years old')
  TypeError: must be str, not int
  >>> my_age = str(my_age)
  >>> my_age
  '15'
  >>> print('i am ' + my_age + ' years old')
  i am 15 years old
  >>> score = 4
  >>> count = 5
  >>> total = score*count
  >>> print(total)
  20
  >>> num_people = 20
  >>> num_places = 30
  >>> num_food = 25
  >>> num_food = 25+ num_places/num_people
  >>> print(num_food)
  26.5
  >>> print('have a niceeeeee day)
  	  
  SyntaxError: EOL while scanning string literal
  >>> print('have a niceeeeeeeeee day')
  	  
  have a niceeeeeeeeee day
  >>> print('good for you")
  	  
  SyntaxError: EOL while scanning string literal
  >>> print("good for you")
  	  
  good for you
  >>> myName = "hallel"
  	  
  >>> familyName = "appelbaum-elad"
  	  
  >>> print(myName + familyName)
  	  
  hallelappelbaum-elad
  >>> hi you
  	  
  SyntaxError: invalid syntax
  >>> 
  