Exercise 2.2 Write a program that uses raw_input to prompt a user for their name and then
welcomes them.
a ='Enter your name:'
b = raw_input(a)
print "Hello" ,b

Exercise 2.3 Write a program to prompt the user for hours and rate per hour to compute gross
pay.
a='Enter Hours:'
b=raw_input(a)
c='Enter Rate:'
d=raw_input(c)
print "Pay", int(b)*float(d)

Exercise 2.4 Assume that we execute the following assignment statements:
width = 17
height = 12.0
For each of the following expressions, write the value of the expression and the type (of the
value of the expression).
1. width/2 =8 - int
2. width/2.0=8.5 - float
3. height/3=4.0 - float
4. 1 + 2 * 5=11 -int

Exercise 2.5 Write a program which prompts the user for a Celsius temperature, convert the
temperature to Fahrenheit and print out the converted temperature.

a="Please enter the temperature value( C ): "
b= raw_input(a)
print "Converted value: ", float(b)*1.8+32