# This program is for the 3rd class of Yufeng Chinese School CPSC.
#print 'Hello1',
#print "Hello2"

#print 'Hello1', 'Hello2'

# Types of input

#print 'Nine'

#print '9'

#print 9

#print 'a'

#print a

# varying the output

#print '10+1'
#print 10+1

#print 'jkhuyvbjhgfvvbnmjhgfdcvbnjhgfdfvhjkjhgvcx'

# Input definitions

#x = raw_input('Enter the value of x: ')
#x = input('Enter the mathematical value of x: ')
#print 'The value of x is equal to', x
#print 'The value of x as an integer equals', int(x)
#print 'The value of x as a float number equals', float(x)

# This part demonstrates how to import the math module into python.

import math

x = math.pi

#print x
#print float(x)
#print int(x)
#print float(x)

print x
x = float(x)
print x
x = int(x)
print x
x = float(x)
print x