Python Operators
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Arithmetic Operations
Standard math operators:
a = 10
b = 5
sum = a + b
difference = a - b
product = a * b
quotient = a / b
print(sum, difference, product, quotient)
Other arithmetic operators:
- Modulus (%): returns the remainder when the first number is divided by the second number.
- Exponentiation (**): raises the first number to the power of the second number.
- Floor Division (//): divides the first number by the second number and rounds down to the nearest integer.
a = 10
b = 5
remainder = a % b
exponentiation = a ** b
floor_division = a // b
print(remainder, exponentiation, floor_division)
String Manipulation
Concatenation - using the ‘+’ operator.
string1 = "Hello"
string2 = "World"
combined_string = string1 + " " + string2
print(combined_string)
Slicing - extracting a substring from a string.
text = "Python programming"
substring = text[0:6]
print(substring)
String Formatting - various ways, including the f-string, which allows you to embed expressions within string literals.
name = "John"
age = 30
formatted_string = f"My name is {name}, and I am {age} years old."
print(formatted_string)
Boolean Operators
a = True
b = False
print(a and b)
print(a or b)
print(not a)
Type Conversions
Built-in functions:
int(): converts a value to an integer.float(): converts a value to a floating-point number.str(): converts a value to a string.bool(): converts a value to a boolean.list(): converts a value to a list.tuple(): converts a value to a tuple.set(): converts a value to a set.frozenset(): converts a value to a frozenset.dict(): converts a value to a dictionary.complex(): converts a value to a complex number.bytes(): converts a value to a bytes object.bytearray(): converts a value to a bytearray object.memoryview(): converts a value to a memoryview object.
integer = 42
floating_point = 3.14
string = "123"
converted_float = float(integer)
converted_int = int(floating_point)
converted_str = str(integer)
print(converted_float, converted_int, converted_str)