Python/Conditional statement if at master · Poorvanshi-sahu/Python · GitHub

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Conditional Statement

  1. if
		if  test-condition:
			----------
			----------
			----------
			----------


  2. if then else

		if  test-condition:
			----------
			----------
			----------
			----------
		else:
			----------
			----------
			----------

  3. if elif then else=multioptional/Ladder of if

		if  test-condition:
			----------
			----------
			----------
			----------
		elif test-condition:
			----------
			----------
			----------
		elif test-condition:
			---------
			---------
			---------
			---------
		.
		.
		else:
			--------
			--------
			--------
			--------

  4. nested if(if inside another if  is know as nested if)

       if  test-condition: #outter if
       		-----------
       		-----------
       		-----------
       		if Test-condition: #inner if
       			----------
       			----------
       			----------
       		else:
       			----------
       			----------
       			----------
       	else:
       		--------
       		--------
       		--------
       		--------


          if 3>2:
    #start block/indentation level
    print("True")
    print("correct")
    #exit from if /end indentation--back one level of indentation

else:
    print("false")
    print("incorrect")


    >>> x,y=10,20
>>> x,y=y,x
>>> print("x=",x)
x= 20
>>> print("y=",x)
y= 20
>>> print("y=",y)
y= 10
>>> x,y,z=10,20,30
>>> x,y,z=z,x,y
>>> print(x)
30
>>> print(y)
10
>>> print(z)
20
>>>


[8:52 PM, 12/24/2020] Sushil Sir C++: num1=float(input("Enter first value:"))
num2=float(input("Enter second value:"))

#compare(only if)
if num1>num2:
    print(num1,"value is big")
if num2>num1:
    print("Big value is ",num2)

num1=float(input("Enter first value:"))
num2=float(input("Enter second value:"))

#compare(only if)
if num1>num2:
    print(num1,"value is big")
else:
    print("Big value is ",num2)