Python-101/4. Basic Operators.py at main · ibenim/Python-101 · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
#           BASIC OPERATORS

#                   Arithmetic
a = 21
b = 10
c = 0 # Would be better if declare this first
c = a + b
print ("Line 1 - Value of c is ", c)
c = a - b
print ("Line 2 - Value of c is ", c )
c = a * b
print ("Line 3 - Value of c is ", c)
c = a / b
print ("Line 4 - Value of c is ", c )
c = a % b
print ("Line 5 - Value of c is ", c)
a = 2
b = 3
c = a**b
print ("Line 6 - Value of c is ", c)
a = 10
b = 4
c = a//b
print ("Line 7 - Value of c is ", c)


#                Comparison (==, !=, <, >, <=, >=)
a = 22
b = 5
if ( a == b ):
 print ("Line 1 - a is equal to b")
else:
    print ("Line 1 - a is not equal to b")
if ( a != b ):
    print ("Line 2 - a is not equal to b")
else:
    print ("Line 2 - a is equal to b")
if ( a < b ):
    print ("Line 3 - a is less than b" )
else:
    print ("Line 3 - a is not less than b")
if ( a > b ):
    print ("Line 4 - a is greater than b")
else:
    print ("Line 4 - a is not greater than b")

a,b=b,a     #values of a and b SWAPPED. a becomes 10, b becomes 22
print(a)
print(b)
if ( a <= b ):
    print ("Line 5 - a is either less than or equal to b")
else:
    print ("Line 5 - a is neither less than nor equal to b")
if ( b >= a ):
    print ("Line 6 - b is either greater than or equal to b")
else:
    print ("Line 6 - b is neither greater than nor equal to b")
print("\n\n")


#               Assignment Operator
a = 21
b = 10
c = 0
c = a + b
print ("Line 1 - Value of c is ", c)
c += a
print ("Line 2 - Value of c is ", c )
c *= b
print ("Line 3 - Value of c is ", c )
c /= a
print ("Line 4 - Value of c is ", c )
c = 2
c %= a
print ("Line 5 - Value of c is ", c)
c **= a
print ("Line 6 - Value of c is ", c)
c //= a
print ("Line 7 - Value of c is ", c, "\n\n")


#               Python Bitwise Operator
a = 60 # 60 = 0011 1100
b = 13 # 13 = 0000 1101
bin(a); bin(b)
print ('a = ',a,':',bin(a),' ||  b = ',b,':',bin(b))
c = 0
c = a & b; # 12 = 0000 1100
print ("result of AND is ", c,':',bin(c))
c = a | b; # 61 = 0011 1101
print ("result of OR is ", c,':',bin(c))
c = a ^ b; # 49 = 0011 0001
print ("result of EXOR is ", c,':',bin(c))
c = ~a; # -61 = 1100 0011
print ("result of COMPLEMENT is ", c,':',bin(c))
c = a << 2; # 240 = 1111 0000
print ("result of LEFT SHIFT is ", c,':',bin(c))
c = a >> 2; # 15 = 0000 1111
print ("result of RIGHT SHIFT is ", c,':',bin(c))
print("\n\n")


#                   Logical Operator
a = 10
b = 20
list = [1, 2, 3, 4, 5 ]
if ( a in list ):
    print ("Line 1 - a is available in the given list")
else:
    print ("Line 1 - a is not available in the given list")
if ( b not in list ):
    print ("Line 2 - b is not available in the given list")
else:
    print ("Line 2 - b is available in the given list")
c=b/a
if ( c in list ):
    print ("Line 3 - a is available in the given list")
else:
    print ("Line 3 - a is not available in the given list")


#               Python Identity Operator
#           Refers to Memory Location of a Variable
a = 20
b = 20
print ('Line 1','a=',a,':',id(a), 'b=',b,':',id(b))
if ( a is b ):
    print ("Line 2 - a and b have same identity")
else:
    print ("Line 2 - a and b do not have same identity")
if ( id(a) == id(b) ):
    print ("Line 3 - a and b have same identity")
else:
    print ("Line 3 - a and b do not have same identity")
b = 30
print ('Line 4','a=',a,':',id(a), 'b=',b,':',id(b))
if ( a is not b ):
    print ("Line 5 - a and b do not have same identity")
else:
    print ("Line 5 - a and b have same identity")
print("\n\n")

x = ["Ani", "Budi", "Cici"]
y = "Cici"
z = "Dodi"
print(y in x)               # True or False
print(z in x)

x = ["Ani", "Budi", "Cici"]
y = "Cici"
z = "Dodi"
print(y not in x)           # True or False
print(z not in x)


# Python Operator Precedence
a = 20
b = 10
c = 15
d = 5
print ("a:%d b:%d c:%d d:%d" % (a,b,c,d ))
e = (a + b) * c / d                         # (30 * 15 ) / 5
print ("Value of (a + b) * c / d is ", e)
e = ((a + b) * c) / d                       # (30 * 15 ) / 5
print ("Value of ((a + b) * c) / d is ", e)
e = (a + b) * (c / d)                       # (30) * (15/5)
print ("Value of (a + b) * (c / d) is ", e)
e = a + (b * c) / d                         # 20 + (150/5)
print ("Value of a + (b * c) / d is ", e)
bilangan = (5 % 3 ** 2) + (3 + 2 * 2) * (4 - 2)
print(bilangan)


# Membership Operator
x = 8
y = 50
x >10 and y >10

x = 8
y = 8
x > 10 or y >10

i = True
j = False
i = not i
i