Use of statement of Python: Use of if – else statement:-if – else is the variation of if statement. We attach condition with if statement if given condition is true then if block code will executed and if the given condition is false then else block code will executed. The syntax of if – else statement is given below:- if condition: Statement 1 Statement 2 else: Statement 3 Statement 4 Write a program in python to check the given number is even or odd. n=input(“Enter a number : ”) if n%2==0: print “The number ”,n,”is even” else: print “The number”,n,”is odd” Use of if-else ladder:- In Python language the switch statement is not worked. In Python we use if-else ladder in spite of using switch. The syntax of if-else ladder is given below:- if condition1: Statement 1 elif condition 2: Statement 2 elif condition 3: Statement 3 >br> else: Statement 4 Write a program in python to find greatest number in three numbers. a=input(“Enter firs...