Simple Python Data

Question 1

Value

Answer 1

A fundamental thing that a program manipulates like a word or number.

Question 2

Type of data

Answer 2

Numbers and strings 
print type(5) 
print type("Hello World! ")

Question 3

Conversion

Answer 3

print 3.14, int(3.14)

Question 4

Variable

Answer 4

A variable is a name that refer to a value
message = “What’s up, Doc?”
n = 17
pi = 3.14159

print message
print n
print pi

Question 5

Keyword

Answer 5

Have different function, can't be use as variable name
and as assert break class continue 
def del elif else except exec 
finally for from global if import 
in is lambda nonlocal not or 
pass raise return try while with 
yield True False None

Question 6

Statement

Answer 6

is an instruction that python can execute

Question 7

Expression

Answer 7

combination of values, variables, operators and calls to function
print 1 + 1 
print len(“hello”)

Question 8

Operator

Answer 8

special tokens that represent computations
20 + 32
hour - 1
hour * 60 + minute
minute / 60
(5 + 9) * (15 - 7)
5 ** 2 # ** is the exponentiation operator
7 // 3 # // is the integer division operator
7 % 3 # % is the modulus (or integer remainder) operator

Question 9

Input

Answer 9

name = raw_input(“Enter your name: “)
print “Hello”, name
Note that the input from raw_input is a string so you may have to convert it by int( )

Question 10

Updating variables

Answer 10

x = 6 # initialize x
print x
x = x + 3 # update x
print x