Python Basics Assignment 1

Python Basics Assignment

#Q1.

n = int(input('put the value the of n :'))

r = float(input('put the value the of r :'))

p = float(input('put the value the of p :'))

print('value of n : ',n)

print('value of r : ',r)

print('value of p : ',p)

A = p * (1 + r / 100) ** n

print('value of A = ',A)

#Q2.

A = int(input('put the value the of A :'))

B = int(input('put the value the of A :'))

print('value of n : ',A)

print('value of r : ',B)

Str = f"There are {A} students in the class, with {B} who play at least one sport."

print(Str)

##or##

print(f"There are {A} students in the class, with {B} who play at least one sport.")

#Q3.

sample= "It goes without saying, \"Time is Money\", and none can deny it."

print(sample)

#Q4.

import math

x = lambda a,b: a//b

x(10,3)

#Q5.

a = int(input('input the value of a : '))

b = int(input('input the value of b : '))

print('a =',a)

print('b =',b)

if a > b:

    print("a is greater than b : ", a,'>',b)

elif a < b:

    print("b is greater than a : ", a,'<',b)

else:

    print("a and b are equal : ", a,'=',b)  

#Q6.

#import os

#import numpy as np

#my_list1=[2,7,3,5,4,6]

#print(my_list1)

#arr_1 = numpy.array(my_list1,dtype = int)

#print(arr_1)

#upper code give us error bocz "name 'numpy' is not defined" plz use 'np' inside of 'numpy'

#Correct code below

import os

import numpy as np

my_list1=[2,7,3,5,4,6]

print(my_list1)

arr_1 = np.array(my_list1,dtype = int)

print(arr_1)

#Q7.

str = "Machine Learning"

print(str)

substring = str[8:13]

print(substring)

#Q8.

a = list(range(10,26,4))

print(a) 

b = a.index(18)

print(b)

numbers = list(range(10,26,4))

print('numbers :' ,numbers)

find_the_number_index = 18 

print(' number is : ',find_the_number_index)

index_is = numbers.index(find_the_number_index)

print("The index of", find_the_number_index, "is", index_is)

#Q10.

A Python NameError exception is raised when: -

ans. a. Trying to access a variable which has not been defined

#Q9.

import math

a = int(input('input the value of a : '))

b = int(input('input the value of b : '))

print('a =',a)

print('b =',b)

num1 = a**b

num2 =pow(a,b)

print('num1 =',num1 )

print('num2 =',num2 )

if num1 == num2:

    print('both are equal ', num1,'=',num2)

else:

    print('both are not equal ', num1,'not equal',num2) 

Q12.

FileNotFoundError exception is raised by operating system errors when: -

a. Trying to create a file or directory which already exists

b. A file or directory is requested but does not exist in the working directory

c. Trying to run an operation without the adequate access rights

d. A directory operation, os.listdir() is requested on something which is not a

directory

ans: b. A file or directory is requested but does not exist in the working directory

Q13.

Consider a variable Z. The value of Z is "ID-5632". Data type of Z is: -

a. Complex

b. Character

c. Integer

d. Boolean

ans: b. Character

Q14.

Which of the following variable(s) are character data type?

a. K= “4”

b. J= “Welcome”

c. L= “?”

d. All of the above

ans:d. All of the above

Q15. Choose the symbol/s that does not have the ability to convert any values to string?

ans. d. # 

#Q16.

Country = {

    'India': 'Delhi',

    'China': 'Beijing',

    'Japan': 'Tokyo',

    'Qatar': 'Doha',

    'France': 'Marseilles'

}

print(Country)

Country['France'] = 'Paris'

print(Country)

#Q17.

tuple_1 = (1,5,6,7,8)

tuple_2 = (8,9,4)

print(sum(tuple_1))

print(len(tuple_2))

print(tuple_2 + tuple_1)

tuple_1[3] = 45 # it's give 'TypeError: 'tuple' object does not support item assignment'

#tuples are immutable  

#Q18.

s={1,2,3,4,4,4,5,6}

print(s)

Total_count = len(s)

print("Number of elements =", Total_count)

#because it is a set, set does not contain repeated value

#Q19

def pythagorean_triplets(N):

    triplets = []

    for a in range(1, N+1):

        for b in range(a, N+1):

            c_squared = a**2 + b**2

            c = int(c_squared**0.5)

            if c_squared == c**2 and c <= N:

                triplets.append((a, b, c))

    return triplets

N = int(input("Enter the value of N = "))

triplets = pythagorean_triplets(N)

print("Pythagorean triplets with sides no greater than", N, "are =")

for triplet in triplets:

    print(triplet)