Checkpoints

#3.1
(a) math.sqrt(4) --> 2.0
(j) math.floor(-2.5) --> -3
(b) math.sin(2 * math.pi) --> -2.4492935982947064e-16
(k) round(3.5) --> 4
(c) math.cos(2 * math.pi) --> 1.0
(l) round(-2.5) --> -2
(d) min(2, 2, 1) --> 1
(m) math.fabs(2.5) --> 2.5
(e) math.log(math.e) --> 1.0
(n) math.ceil(2.5) -->3
(f) math.exp(1) --> 2.718281828459045
(o) math.floor(2.5) --> 2
(g) max(2, 3, 4) --> 4
(p) round(-2.5) --> -2
(h) abs(-2.5) --> 2.5
(q) round(2.6) --> 3
(i) math.ceil(-2.5) --> -2
(r) round(math.fabs(-2.5)) --> 2

#3.2
True

#3.3
var = math.radians(47)

#3.4
var = math.degrees(math.pi/7)

#3.5
ord('1') --> 49
ord('A') --> 65
ord('B') --> 66
ord('a') --> 97
ord('b') --> 98
chr(40) ---> '('
chr(59) ---> ';'
chr(79) ---> 'O'
chr(85) ---> 'U'
chr(90) ---> 'Z'

#3.6
To display \, write print("\\")
To display ", write print("\"")

#3.7
using \u followed with code. For example:\u0055

#3.8
it will print 'D'

#3.9
25

#3.10
cannot concatenate strings with integers.
write: title = "Chapter"+str(1)

#3.11
5
23

#3.12
In Python, a number is an object, a string is an object, and every datum is an object. Objects
of the same kind have the same type.

The functions for the objects are called methods in Python. Methods can only be invoked from a
specific object.

#3.13
using id() method
using type() method

#3.14
(b) n is a variable that references an object that holds int value 3.

#3.15
	georgia
	GEORGIA

#3.16
Good	Morning

#3.17
The function returns a string.

#3.18
the width increases automatically to fit the string

#3.19
print(format(57.467657, "9.3f")) --->    57.468
print(format(12345678.923, "9.1f")) ---> 12345678.9
print(format(57.4, ".2f")) ---> 57.40
print(format(57.4, "10.2f")) --->      57.40

#3.20
print(format(57.467657, "9.3e")) ---> 5.747e+01
print(format(12345678.923, "9.1e")) --->   1.2e+07
print(format(57.4, ".2e")) ---> 5.74e+01
print(format(57.4, "10.2e")) --->   5.74e+01

#3.21
print(format(5789.467657, "9.3f")) --->  5789.468
print(format(5789.467657, "<9.3f")) ---> 5789.468
print(format(5789.4, ".2f")) ---> 5789.40
print(format(5789.4, "<.2f")) ---> 5789.40
print(format(5789.4, ">9.2f")) --->   5789.40

#3.22
print(format(0.457467657, "9.3%")) --->   45.747%
print(format(0.457467657, "<9.3%")) ---> 45.747%

#3.23
print(format(45, "5d")) --->    45
print(format(45, "<5d")) ---> 45
print(format(45, "5x")) --->    2d
print(format(45, "<5x")) ---> 2d

#3.24
print(format("Programming is fun", "25s")) ---> Programming is fun
print(format("Programming is fun", "<25s")) ---> Programming is fun
print(format("Programming is fun", ">25s")) --->        Programming is fun

#3.25
turtle.home()

#3.26
turtle.dot(3, "red")

#3.27
Triangle

#3.28
turtle.speed(s) Sets the turtle’s speed to an integer between 1 and 10, with 10 being the fastest.

#3.29
turtle.undo()

#3.30
turtle.color(color)

#3.31
use turtle.begin_fill() to begin to fill color in a shape
and turtle.end_fill()  to fill the shape

#3.32
turtle.hideturtle()