2- IDLE  WRITING

Python 3.9.1 (tags/v3.9.1:1e5d33e, Dec  7 2020, 17:08:21) [MSC v.1927 64 bit (AMD64)] on win32

Type "help", "copyright", "credits" or "license()" for more information.

>>> num=10

>>> num=20

>>> num1*num2

Traceback (most recent call last):

  File "<pyshell#2>", line 1, in <module>

    num1*num2

NameError: name 'num1' is not defined

>>> num=10

>>> num=29

>>> num1+num2

Traceback (most recent call last):

  File "<pyshell#5>", line 1, in <module>

    num1+num2

NameError: name 'num1' is not defined

>>> num1=10

>>> num2=19

>>> num1+num2

29

>>> num1**num2

10000000000000000000

>>> num1%num2

10

>>> num1//num2

0

>>> num2//num1

1

>>> num1/num2

0.5263157894736842

>>> num2/num1

1.9

>>> x=29

>>> x

29

>>> my first name =AAMIR

SyntaxError: invalid syntax

>>> my first name =aamir

SyntaxError: invalid syntax

>>> myfirstname=aamir

Traceback (most recent call last):

  File "<pyshell#19>", line 1, in <module>

    myfirstname=aamir

NameError: name 'aamir' is not defined

>>> my firstname='aamir'

SyntaxError: invalid syntax

>>> my_firstname=aamir

Traceback (most recent call last):

  File "<pyshell#21>", line 1, in <module>

    my_firstname=aamir

NameError: name 'aamir' is not defined

>>> my_first_name='Aamir'

>>> last_name='Raza'

>>> first_name+last_name

Traceback (most recent call last):

  File "<pyshell#24>", line 1, in <module>

    first_name+last_name

NameError: name 'first_name' is not defined

>>> full_name=my_first_name+last_name

>>> print(full_name)

AamirRaza

>>> full_name*100

'AamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRazaAamirRaza'

>>> full_name=my_first_name+' 'last_name

SyntaxError: invalid syntax

>>> full_name=my first_name+' '+last_name

SyntaxError: invalid syntax

>>> full_name=my_first_name+' '+lst_name

Traceback (most recent call last):

  File "<pyshell#30>", line 1, in <module>

    full_name=my_first_name+' '+lst_name

NameError: name 'lst_name' is not defined

>>> full_name=my_first_name+'' ''+last_name

>>> print(full_name)

AamirRaza

>>> full_name=my_first_name+" "+last_name

>>> print(full_name)

Aamir Raza

>>>  

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