Python 3.8.7 (tags/v3.8.7:6503f05, Dec 21 2020, 17:59:51) [MSC v.1928 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license()" for more information.
>>> 3+4
7
>>> str1="Today is"
>>> str2="Friday"
>>> str1+str2
'Today isFriday'
>>> str1
'Today is'
>>> str2
'Friday'
>>> str3="whell"
>>> str4="eat"
>>> str3+str4
'whelleat'
>>> str1
'Today is'
>>> str2
'Friday'
>>> str1+" "+str2
'Today is Friday'
>>> newstring=str1+" "+str2
>>> newString
Traceback (most recent call last):
  File "<pyshell#13>", line 1, in <module>
    newString
NameError: name 'newString' is not defined
>>> newstring
'Today is Friday'
>>> str1
'Today is'
>>> str2
'Friday'
>>> str1
'Today is'
>>> str1*3
'Today isToday isToday is'
>>> #str1*3 is the same as str1+str1+str1str1
>>> str1
'Today is'
>>> len(str1)
8
>>> len(str2)
6
>>> str2
'Friday'
>>> myList=[2,4,6,8]
>>> len(myList)
4
>>> list2=list(range(2,20))
>>> list2
[2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
>>> len(list2)
18
>>> myLIst=[2,32.17,"Friday"]
>>> len(myLIst)
3
>>> myList=[2,30,[20,2,10],[4,"word"],5]
>>> len(myList)
5
>>> str1="Word"
>>> str1[0]
'W'
>>> str1[1]
'o'
>>> str1[2]
'r'
>>> str1[3]
'd'
>>> str1[4]
Traceback (most recent call last):
  File "<pyshell#38>", line 1, in <module>
    str1[4]
IndexError: string index out of range
>>> str1="the weekend is finally near!  It will be great!!!"
>>> len(str1)
49
>>> str1="the weekend is finally near.  It will be great!"
>>> len(str1)
47
>>> str1[-1]
'!'
>>> str2="No"
>>> str2[-1]
'o'
>>> str2[0]
'N'
>>> str1[0]
't'
>>> str3="Word"
>>> str3[3]
'd'
>>> str[-2]
Traceback (most recent call last):
  File "<pyshell#50>", line 1, in <module>
    str[-2]
TypeError: 'type' object is not subscriptable
>>> str3[-2]
'r'
>>> str3[-1]
'd'
>>>