PYTHON

python operators

#PYTHON RELATIONAL OPERATORS
OPERATOR    DESCRIPTION	        SYNTAX  FUNCTION        IN-PLACE METHOD
>	        Greater than	    a > b   gt(a, b)        __gt__(self, other)
>=	        Greater or equal to	a >= b  ge(a, b)        __ge__(self, other)
<	        Less than	        a < b   lt(a, b)        __lt__(self, other)
<=	        Less or equal to	a <= b  le(a, b)        __le__(self, other)
==	        Equal to	        a == b  eq(a, b)        __eq__(self, other)
!=	        Not equal to        a != b  ne(a, b)        __ne__(self, other)

#PYTHON MATHEMATICAL OPERATORS
OPERATOR	DESCRIPTION	        SYNTAX  FUNCTION        IN-PLACE METHOD
+	        Addition	        a + b   add(a, b)       __add__(self, other)
–	        Subtraction	        a - b   sub(a, b)       __sub__(self, other)
*	        Multiplication	    a * b   mul(a, b)       __mul__(self, other)
/	        True Division	    a / b   truediv(a, b)   __truediv__(self, other)
//	        Floor Division	    a // b  floordiv(a, b)  __floordiv__(self, other)
%	        Modulo	            a % b   mod(a, b)       __mod__(self, other)
**	        Power	            a ** b  pow(a, b)       __pow__(self, other)

#PYTHON BITWISE OPERATORS
OPERATOR	DESCRIPTION	        SYNTAX  FUNCTION        IN-PLACE METHOD
&	        Bitwise AND	        a & b   and_(a, b)      __and__(self, other)
|	        Bitwise OR	        a | b   or_(a,b)        __or__(self, other)
^	        Bitwise XOR	        a ^ b   xor(a, b)       __xor__(self, other)
~           Bitwise NOT         ~ a     invert(a)       __invert__(self)
>>          Bitwise R shift     a >> b  rshift(a, b)    __irshift__(self, other)
<<          Bitwise L shift     a << b  lshift(a, b)    __lshift__(self, other)

python operators

# --------------------------
# -- Arithmetic Operators --
# --------------------------
# [+] Addition
# [-] Subtraction
# [*] Multiplication
# [/] Division
# [%] Modulus
# [**] Exponent
# [//] Floor Division
# --------------------------

# Addition

print(10 + 30)  # 40
print(-10 + 20)  # 10
print(1 + 2.66)  # 3.66
print(1.2 + 1.2)  # 2.4

# Subtraction

print(60 - 30)  # 30
print(-30 - 20)  # -50
print(-30 - -20)  # -10
print(5.66 - 3.44)  # 2.22

# Multiplication

print(10 * 3)  # 30
print(5 + 10 * 100)  # 1005
print((5 + 10) * 100)  # 1500

# Division

print(100 / 20)  # 5.0
print(int(100 / 20))  # 5

# Modulus

print(8 % 2)  # 0
print(9 % 2)  # 1
print(20 % 5)  # 0
print(22 % 5)  # 2

# Exponent

print(2 ** 5)  # 32
print(2 * 2 * 2 * 2 * 2)  # 32
print(5 ** 4)  # 625
print(5 * 5 * 5 * 5)  # 625

# Floor Division

print(100 // 20)  # 5
print(119 // 20)  # 5
print(120 // 20)  # 6
print(140 // 20)  # 7
print(142 // 20)  # 7

python logical operators

not 
and 
or

|= operator python

>>> s1 = {"a", "b", "c"}
>>> s2 = {"d", "e", "f"}

>>> # OR, | 
>>> s1 | s2
{'a', 'b', 'c', 'd', 'e', 'f'}
>>> s1                                                     # `s1` is unchanged
{'a', 'b', 'c'}

>>> # In-place OR, |=
>>> s1 |= s2
>>> s1                                                     # `s1` is reassigned
{'a', 'b', 'c', 'd', 'e', 'f'}

// operator use in python

#One thing to note- since Python treats all numbers as floats (decimal numbers),
#you can use the double division sign // to get an integer.
#This is useful for finding indexes.
string1 = "abcde"  
middle = string1[len(string1) // 2]  # 4//2
print(middle) 
# c

operators in python

a = 3
b = 4

# Arithmetic Operators
print("The value of 3+4 is ", 3+4)
print("The value of 3-4 is ", 3-4)
print("The value of 3*4 is ", 3*4)
print("The value of 3/4 is ", 3/4)

# Assignment Operators
a = 34
a -= 12
a *= 12
a /= 12
print(a)

# Comparison Operators
# b = (14<=7)
# b = (14>=7)
# b = (14<7)
# b = (14>7)
# b = (14==7)
b = (14!=7)
print(b)

# Logical Operators
bool1 = True
bool2 = False
print("The value of bool1 and bool2 is", (bool1 and bool2))
print("The value of bool1 or bool2 is", (bool1 or bool2))
print("The value of not bool2 is", (not bool2))

python operators

5 + 4 + 8 + 565 + 454.0 + 9 + 2 + 11 + 3 + 20 + 45 + 67