String Variables
firstname = "fred"
surname = "jones"
fullname = firstname + " " + surname
greeting = "hello " greeting += fullname print greeting
Numbers Variables
secsInMin = 60
minsInHr = 60
hrsInDay = 24
secsInDay = secsInMin * minsInHr * hrsInDay
print secsInDay
Input
name = raw_input("what is your name?")
print "hello " + name
age = int(raw_input("how old are you?"))
print "next year you will be " + str(age+1)
ARITHMETIC
a=1.3
b=2.7
c=a+b
print c
c=a-b
print c
c=a*b
print c
c=a/b
print c