Untitled

QUESTION: Write a Python program to print your Name, Roll Number and Section.

ANSWER:

print("Name: Md Kaif")
print("Roll No: 21")
print("Section: B")

EXPERIMENT 4
QUESTION: Write a Python program to enter two numbers and display their sum.

ANSWER:

a = int(input("Enter first number: "))
b = int(input("Enter second number: "))

sum = a + b

print("Sum is:", sum)

EXPERIMENT 5
QUESTION: Write a Python program to read data from CSV file.

ANSWER:

import csv

file = open("data.csv", "r")
data = csv.reader(file)

for row in data:
print(row)

file.close()

EXPERIMENT 6
QUESTION: Write a Python program to write data into CSV file.

ANSWER:

import csv

data = [["Name", "Age"],
["Kaif", 21],
["Rahul", 22]]

file = open("data.csv", "w", newline="")

writer = csv.writer(file)

writer.writerows(data)

file.close()

print("Data written successfully")

EXPERIMENT 7
QUESTION: Write a Python program to read data from JSON file.

ANSWER:

import json

file = open("data.json", "r")

data = json.load(file)

print(data)

file.close()

EXPERIMENT 8
QUESTION: Write a Python program to read data from Text file.

ANSWER:

file = open("sample.txt", "r")

data = file.read()

print(data)

file.close()

EXPERIMENT 9
QUESTION: Write a Python program to reduce memory usage using generator.

ANSWER:

def my_generator(n):
for i in range(n):
yield i

gen = my_generator(10)

for value in gen:
print(value)

EXPERIMENT 10
QUESTION: Write a Python program to split data into chunks.

ANSWER:

def split_list(data, size):
for i in range(0, len(data), size):
yield data[i:i + size]

my_list = [1,2,3,4,5,6,7,8,9]

for chunk in split_list(my_list, 3):
print(chunk)


QUESTION: Write a Python program to remove elements from a dictionary.

ANSWER:

student = {
"name": "Ravi",
"age": 20,
"course": "B.Tech"
}

student.pop("course")
del student["age"]

print(student)

EXPERIMENT 12
QUESTION: Write a Python program to create a dictionary with different data types.

ANSWER:

data = {
"int": 10,
"float": 5.5,
"list": [1,2,3],
"tuple": (4,5),
"dict": {"a":1,"b":2}
}

print(data)

EXPERIMENT 13
QUESTION: Write a Python program to create a nested dictionary and access elements.

ANSWER:

students = {
"S1": {"Name": "Aman", "Marks": 90},
"S2": {"Name": "Raj", "Marks": 85}
}

print(students["S1"]["Name"])

EXPERIMENT 14
QUESTION: Write a Python program to create dictionary using dictionary comprehension.

ANSWER:

squares = {x: x*x for x in range(1,6)}

print(squares)

EXPERIMENT 15
QUESTION: Write a Python program to display all elements in a tuple.

ANSWER:

data = ("I","am","Python",7)

print(data)

EXPERIMENT 16
QUESTION: Write a Python program to display elements of tuple using index.

ANSWER:

data = ("I","am","Kaif",7)

print(data[1])
print(data[3])

EXPERIMENT 17
QUESTION: Write a Python program to show that tuple is immutable.

ANSWER:

data = ("I","am","Kaif",7)

data[1] = "is"

print(data[1])

EXPERIMENT 18
QUESTION: Write a Python program to perform Bubble Sort.

ANSWER:

A = [56,58,28,33,71,96,23,51,56,82,41]

n = len(A)

for i in range(n):
for j in range(n-i-1):
if A[j] > A[j+1]:
A[j], A[j+1] = A[j+1], A[j]

print("Sorted Array:", A)

EXPERIMENT 19
QUESTION: Write a Python program to perform Insertion Sort.

ANSWER:

A = [56,6,8,28,33,71,96,23,51,56,82,41]

for i in range(1,len(A)):
key = A[i]
j = i-1

while j >= 0 and key < A[j]:  
    A[j+1] = A[j]  
    j = j-1  

A[j+1] = key  

print("Sorted Array:", A)

EXPERIMENT 20
QUESTION: Write a Python program to perform Quick Sort.

ANSWER:

def quick_sort(arr):
if len(arr) <= 1:
return arr

pivot = arr[0]  

smaller = [x for x in arr[1:] if x <= pivot]  
greater = [x for x in arr[1:] if x > pivot]  

return quick_sort(smaller) + [pivot] + quick_sort(greater)  

A = [56,5,8,28,33,71,96,23,51,56,82,41]

sorted_array = quick_sort(A)

print("Sorted Array:", sorted_array)


EXPERIMENT 21
QUESTION: Write a Python program to find the largest number in a list.

ANSWER:

arr = [56,3,8,28,37,71,96,23,51,56,82,41]

largest = arr[0]

for num in arr:
if num > largest:
largest = num

print("Largest number is", largest)

EXPERIMENT 22
QUESTION: Write a Python program to define and print a function.

ANSWER:

def fun():
print("Welcome to BIT Mesra")

fun()

EXPERIMENT 23
QUESTION: Write a Python program to call a function.

ANSWER:

def fun():
print("Welcome to BIT Mesra")

fun()

EXPERIMENT 24
QUESTION: Write a Python program to check even or odd using function argument.

ANSWER:

def even_odd(x):

if x % 2 == 0:
    return "Even"
else:
    return "Odd"

print(even_odd(16))
print(even_odd(7))

EXPERIMENT 25
QUESTION: Write a Python program using default function arguments.

ANSWER:

def my_fun(x, y=50):

print("x:", x)
print("y:", y)

my_fun(10)

EXPERIMENT 26
QUESTION: Write a Python program using keyword arguments.

ANSWER:

def student(fname, lname):

print(fname, lname)

student(fname="BIT Mesra", lname="Practice")
student(lname="Practice", fname="BIT Mesra")

EXPERIMENT 27
QUESTION: Write a Python program using positional arguments.

ANSWER:

def nameAge(name, age):

print("Hi I am", name)
print("My age is", age)

print("Case 1")

nameAge("Suraj", 27)

print("Case 2")

nameAge(27, "Suraj")

EXPERIMENT 28
QUESTION: Write a Python program using arbitrary arguments (*args and **kwargs).

ANSWER:

def my_fun(*args, **kwargs):

print("Non-keyword arguments")

for arg in args:
    print(arg)

print("Keyword arguments")

for key, value in kwargs.items():
    print(key, "=", value)

my_fun("Hey", "Welcome", first="Create", mid="for", last="Week")

EXPERIMENT 29
QUESTION: Write a Python program to create function within function.

ANSWER:

def f1():

s = "Love BIT Mesra"

def f2():
    print(s)

f2()

f1()

EXPERIMENT 30
QUESTION: Write a Python program using anonymous (lambda) function.

ANSWER:

cube = lambda x: xxx

print(cube(7))

EXPERIMENT 31
QUESTION: Write a Python program using return statement in function.

ANSWER:

def square_value(num):

return num**2

print(square_value(2))
print(square_value(4))

EXPERIMENT 32
QUESTION: Write a Python program using recursive function to find factorial.

ANSWER:

def factorial(n):

if n == 0:
    return 1

else:
    return n * factorial(n-1)

print(factorial(4))

EXPERIMENT 33
QUESTION: Write a Python program using lambda function to convert string to uppercase.

ANSWER:

a = "BIT Mesra"

upper = lambda x: x.upper()

print(upper(a))

EXPERIMENT 34
QUESTION: Write a Python program using lambda function with condition checking.

ANSWER:

check = lambda x: "Positive" if x > 0 else "Negative" if x < 0 else "Zero"

print(check(5))
print(check(-3))
print(check(0))

EXPERIMENT 35
QUESTION: Write a Python program using lambda function with list comprehension.

ANSWER:

func = [lambda arg=x: arg*10 for x in range(1,5)]

for i in func:
print(i())

EXPERIMENT 36
QUESTION: Write a Python program using lambda function returning multiple values.

ANSWER:

calc = lambda x, y: (x+y, x*y)

res = calc(3,4)

print(res)

EXPERIMENT 37
QUESTION: Write a Python program using lambda function with filter().

ANSWER:

C = [1,2,3,4,5,6]

even = filter(lambda x: x%2==0, C)

print(list(even))

EXPERIMENT 38
QUESTION: Write a Python program using lambda function with map().

ANSWER:

a = [1,2,3,4]

double = map(lambda x: x*2, a)

print(list(double))

EXPERIMENT 39
QUESTION: Write a Python program using lambda function with reduce().

ANSWER:

from functools import reduce

a = [1,2,3,4]

mul = reduce(lambda x,y: x*y, a)

print(mul)

EXPERIMENT 40
QUESTION: Write a Python program using lambda function with def keyword.

ANSWER:

def sq_def(x):

return x**2

print(sq_def(3))

EXPERIMENT 41
QUESTION: Write a Python program to find all numbers in a string using regex.

ANSWER:

import re

string = "My number is 12345 and my friend's number is 98765"

numbers = re.findall(r'\d+', string)

print(numbers)

EXPERIMENT 42
QUESTION: Write a Python program to split string using regex.

ANSWER:

import re

text = "On 12th Jan 2016 at 11:02 AM"

print(re.split(r'\s+', text))

print(re.split(r'\d+', text))

EXPERIMENT 43
QUESTION: Write a Python program to replace text using regex.

ANSWER:

import re

text = "Python is easy"

new_text = re.sub("easy", "powerful", text)

print(new_text)

EXPERIMENT 44
QUESTION: Write a Python program to create dictionary comprehension.

ANSWER:

square = {x: x*x for x in range(1,6)}

print(square)

EXPERIMENT 45
QUESTION: Write a Python program to display tuple elements.

ANSWER:

t = ("Python", "Java", "C++")

for i in t:
print(i)

EXPERIMENT 46
QUESTION: Write a Python program to access tuple elements using index.

ANSWER:

t = ("Python", "Java", "C++")

print(t[0])
print(t[1])
print(t[2])

EXPERIMENT 47
QUESTION: Write a Python program to demonstrate nested dictionary.

ANSWER:

student = {

"S1": {"Name":"Aman","Marks":90},
"S2": {"Name":"Raj","Marks":85}

}

print(student["S1"]["Name"])

EXPERIMENT 48
QUESTION: Write a Python program to remove dictionary elements.

ANSWER:

student = {

"name":"Ravi",
"age":20,
"course":"B.Tech"

}

student.pop("course")

print(student)

EXPERIMENT 49
QUESTION: Write a Python program to create generator function.

ANSWER:

def generator():

for i in range(5):
    yield i

for value in generator():

print(value)

EXPERIMENT 50
QUESTION: Write a Python program to split list into equal chunks.

ANSWER:

def split_list(data, size):

for i in range(0, len(data), size):

    yield data[i:i+size]

my_list = [1,2,3,4,5,6,7,8,9]

for chunk in split_list(my_list,3):

print(chunk)