8000 Operators example · dsabhrawal/python-examples@3f3125c · GitHub
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Operators example
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‎Operators/ArithmeticOperators.py

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#Following are the operators supported
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# + Addition
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# - Subration
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# * Multiplication
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# / Division
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# % Modulus
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# // Integer Division
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# ** Exponential
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#
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#If any of operand is float the result is float
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print(3+2) #prints 5
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print(3-2) #prints 1
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print(3*2) #prints 6
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print(2.5+2) #Prints 4.5 (float)
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#In division result is always float irrespective of Operand
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print(10/2) #Prints 5.0
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#In Modulus if both the operands are Integer the result is Integer and If one operand is float the result is float
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print(5%2) #Prints 1
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print(14.75%4) #prints 2.75
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#In Exponential if both the operands are Integer the result is Integer and If one operand is float the result is float
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print(3.5**2) #Prints 12.25
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print(3**3) #Prints 27
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#Integer division is also called as floor division. First performs the normal division and then applies floor() to result
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print(10.5//2) #Prints 5.0
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print(-5//2) #Prints -3
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#Arithmetic Operations on Strings
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print('2'+'3') #Prints 23
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print('abc'+str(2+3)) #Prints abc5
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print(3*'Hello') #Prints HelloHelloHello
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print(3*True) #Prints 3 (True converted to 1)
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#Arithmetic Operations on Complex Numbers
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e = 2+3j
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f = 4-6j
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print(e+f) #Prints (6-3j)
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print(e*f) #Prints (26+0j)
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print(e-f) #Prints (-2+9j)

‎Operators/AssignmentOperator.py

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# += and -=
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a = 10
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b = 20
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a +=12 #(a = a + 12)
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b -=3 #(b = b - 3)
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print(a) #22
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print(b) #17

‎Operators/EqualityOperator.py

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# == , != (Int, float, str, bool)
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x,y=6,7
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p=6
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print(x == y) #False
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print(p == x) #True
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print(p == 6.0) #True
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print('Hello' == 'Hello') #True
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#Chaining
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print(10 == 20 == 6 == 3) #False
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print(1 == 1 == 1 < 2) #True
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print(1 !=2 < 3 > 1) #True

‎Operators/IdentityOperator.py

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#is or is not
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a = 10;
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b = 20;
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c = 10;
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print(a is b) #False
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print(b is c) #False
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print(a is c) #True
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print('Hello' is 'Python') #Flase

‎Operators/LogicalOperator.py

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#and , or , not (Str, bool ,int)
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a = True
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b = False
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print(a and a) #True
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print(a and b) #False
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print(b and b) #False
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print(a or b) #True
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print(not b) #True
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p = 10
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q = 20
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print(p and q) #20 (as p is considered True and for 'and' operator the second operand will be checked to get final result)
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print(p or q) #10 (as p is considered True therefore second operand will not be checked for 'or' operation)
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print(0 and p) #0 (as 0 is considered as False and for 'and' operator if first operand is False second is not considered)
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print(0 or p) #10 (as 0 is considered False second operand will be checked to get final result)
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x = ''
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y = ' '
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z = 'can'
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print(not x) #True (Empty string is considered false)
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print(not y) #False (As string contains space)
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print(not z) #False (As string is not empty)
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print('ab' or 'abc')

‎Operators/MembershipOperator.py

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#in or not in
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a = 'John Snow'
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print('a' in a) #False
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print('z' not in a) #True
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print('now' in a) #True

‎Operators/RelationalOperators.py

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#<, <=, >=, >
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print(2 < 3) #True
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print(4 > 1) #Falsle
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#In String the ascii value is compared
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a = 'aaa';
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b = 'aad';
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print(a > b) #False
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print(a < b) #True
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#chaining of relational operators
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p,q,r,s = 10,20,30,40
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print(p < q > r < s) #False (Individual expression evaluation is followed by AND)
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print(p < q < r < s) #True

‎TypeConversion/TypeConversion.py

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#This examples talks about int() float() bool() str() complex() conversion functions
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#This examples talks about int() float() bool() str() complex() eval() conversion functions
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#int()
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x = 10.5
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#complex()
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print(complex(2)) #prints (2+0j)
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print(complex(2,1)) #prints (2+1j)
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print(complex(x)) #prints (10.5+0j)
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print(complex(x)) #prints (10.5+0j)
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print(complex(10.5,4)) #prints (10.5+4j)
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print(complex(0b1001,0o34)) #prints (9+28j) Converts to decimal
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#eval()
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p = eval('10')
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print(p)
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print(type(p))
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#10
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#<class 'int'>
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q = eval('10.5')
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print(q)
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print(type(q))
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#10.5
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#<class 'float'>
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