Exercises 2.2 - 2.5

# JHG
# 12-07-2011
# Exercise 2.2
# Prompt the user for their name and welcomes them.

name = raw_input('Enter your name: ')
print 'Hello ' + name

# JHG
# 12-07-2011
# Exercise 2.3
# Prompt the user for hours and rate per hour and
# compute the pay.

hours = raw_input('Enter Hours: ')
rate = raw_input('Enter Rate: ')
pay = int(hours) * float(rate)
print 'Pay: ', round(pay, 2)

# JHG
# 12-07-2011
# Exercise 2.4
# Determine the value of each expression
# and type of the value.

width = 17
height = 12.0
value1 = width / 2
value2 = width / 2.0
value3 = height / 3
value4 = 1 + 2 * 5
print '1. width/2'
print value1            # 8
print type(value1)      # int
print
print '2. width/2.0'
print value2            # 8.5
print type(value2)      # float
print
print '3. height/3'
print value3            # 4.0
print type(value3)      # float
print
print '4. 1 + 2 * 5'
print value4            # 11
print type(value4)      # int

# JHG
# 12-07-2011
# Exercise 2.5
# Ask the user for a Celsius temperature,
# convert it to a Fahrenheit temperature.

celsius = raw_input('Enter Celsius temperature: ')
fahrenheit = float(celsius) * 9.0 / 5.0 + 32
print 'Fahrenheit temperature: ', round(fahrenheit, 2)