python practicals unit 1 part- 1 || bca gujarat university || bca sem - 5 || your code coach
practicals list :
1. Write a program to swap two numbers without taking a
temporary variable.
2. Write a program to display sum of two complex numbers.
3. Write a program to create a byte type array, read, modify,
and display the elements of the array
4. Create a sequence of numbers using range datatype to
display 1 to 30, with an increment of 2.
5. Write a program to find out and display the common and
the non common elements in the list using membership
operators
theory :
Python has the following data types built-in by default,in these categories:
Text Type: str
Numeric Types: int, float, complex
Sequence Types: list, tuple, range
Mapping Type: dict
Set Types: set, frozenset
Boolean Type: bool
Binary Types: bytes, bytearray, memoryview
None Type: NoneType
The bytes() function returns a bytes object.
bytes(source, encoding, errors)
source = used to initialize an array of byte’s object
encoding = used only when the source is a string
errors = the actions to be undertaken, if the encoding conversion fails of the string source
Note – If the source is a string, then we must compulsorily pass the other 2 parameters.
If not,then the Python interpreter will return TypeError.
The range() function returns a sequence of numbers between the give range.
Syntax: range(start, stop, step)
Parameter :
start: [ optional ] start value of the sequence
stop: next value after the end value of the sequence
step: [ optional ] integer value, denoting the difference between any two numbers in the
sequence
Python divides the operators in the following groups:
Arithmetic operators
Assignment operators
Comparison operators
Logical operators
Identity operators
Membership operators
Bitwise operators
Membership operators:- Membership operators are used to test if a sequence is presented
in an object.
1. in : Returns True if a sequence with the specified value is present in the object.
2. not in : Returns True if a sequence with the specified value is not present in the
object.
Identity Operators:- Identity operators are used to compare the objects, not if they are
equal, but if they are actually the same object, with the same memory location.
1. is : Returns True if both variables are the same object.
2. is not : Returns True if both variables are not the same object.
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