Python- Practice Questions

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Welcome Message

print('Welcome to Data Science Course!')

Alien's Visit

name = input("Enter the name: \n")
print("Hello "+ name +"! Welcome to our planet Earth.")

Introducing Artificial Intelligence System

name = input("Enter the name:\n")
creator_name = input("Enter the creator name:\n")
purpose = input("Enter the purpose:\n")
memory_size = input("Enter the memory size:\n")
speed = float(input("Enter the speed:\n"))
print('My Details:')
print("I am "+ name + ", created by "+ creator_name + ", for the purpose of "+ purpose + ".")
print("Memory I consume is around "+ memory_size + " and my speed is "+ str(speed) + " GHZ.")

News Report Generation

dead=int(input("Dead Count: \n"))
if dead<0:
    print("Invalid input")
    quit()
injured=int(input("Injured Count: \n"))
if injured<0:
    print("Invalid input")
    quit()
safe=int(input("Safe Count: \n"))
if safe<0:
    print("Invalid input")
    quit()

print("\nTSUNAMI REPORT OF JAPAN")
print("The number of people")
print("Dead:"+str(dead))
print("Injured:"+str(injured))
print("Safe:"+str(safe))
print("Please help the people who are suffering!!!")

Stationary Shop

a4sheet=float(input("Cost of A4sheet:\n"))
if a4sheet<=0:
    print("Invalid input")
    quit()

pen=float(input("Cost of pen:\n"))
if pen<=0:
    print("Invalid input")
    quit()
    
pencil=float(input("Cost of pencil:\n"))
if pencil<=0:
    print("Invalid input")
    quit()
    
eraser=float(input("Cost of eraser:\n"))
if eraser<=0:
    print("Invalid input")
    quit()

print("Items Details")
print("A4sheet:%.2f" %a4sheet)
print("Pen:%.2f" %pen)
print("Pencil:%.2f" %pencil)
print("Eraser:%.2f" %eraser)

BMI Calculator

weight=int(input('Enter the weight of the person(kg):'))
height=float(input('Enter the height of the person(m):'))
if weight>0 and height>0:
    bmi=(weight/(height*height))
    BMI = round(bmi,1)
    if BMI>=27.5:
        print('Your BMI is '+str(BMI)+' (High Risk)')
    elif BMI>=23 and BMI<=27.4:
        print('Your BMI is '+str(BMI)+' (Moderate Risk)')
    elif BMI>=18.5 and BMI<=22.9:
        print('Your BMI is '+str(BMI)+' (Low Risk)')
    elif BMI<18.5:
        print('Your BMI is '+str(BMI)+' (Risk of nutritional deficiency diseases)')
else:
    print('Provide a valid input')

Vaccine Details

while True:
    total_count=int(input('Enter the total no of people in the area:\n'))
    if total_count<=0:
        print('Invalid input')
        break
    single_dose=int(input('Single-dose count:\n'))
    if single_dose<0 or single_dose>total_count:
        print('Invalid input')
        break
    double_dose=int(input('Double-dose count:\n'))
    if double_dose<0 or double_dose>total_count:
        print('Invalid input')
        break
    total_dose=single_dose+double_dose
    if total_dose>total_count:
        print('Invalid input')
        break
    vaccine_count=total_count-total_dose
    print('Not vaccinated people count:',vaccine_count)
    percentage='{:.2f}'.format((double_dose/total_count)*100)
    print('Total vaccinated percentage of people:',percentage)
    choice=int(input('Do you want to continue (1) for yes (0) for no:\n'))
    if choice==0:
        break
    elif choice==1:
        continue
    else:
        print('Invalid input')
        break

Factorial of a number

number=int(input('Enter a number\n'))
if number<0:
    print('Factorial does not exist for negative numbers')
else:
    factorial=1
    for i in range(1,number+1):
        factorial=factorial*i
    print('Factorial is',factorial)

Armstrong Number

number=int(input('Enter a number\n'))
if number<0:
    print('Factorial does not exist for negative numbers')
else:
    factorial=1
    for i in range(1,number+1):
        factorial=factorial*i
    print('Factorial is',factorial)

Window seat or not

no_of_seats=int(input('Enter the number of seats per row\n'))
total_seats=11*no_of_seats
if no_of_seats<=0:
    print('Invalid input')
    quit()
else:
    seat_number=int(input('Enter the seat number\n'))
    if seat_number<=0 or seat_number>total_seats:
        print('Invalid seat number')
        quit()
    else:
        if seat_number%no_of_seats==0:
            print('Window Seat')
        else:
            print('Not a Window Seat')

Arrange Names

count = int(input("Enter the number of names: "))
names = []
if count > 0:
    print("Enter the names:")
    for i in range(count):
        name = input()
        names.append(name)
    names.sort(reverse=True)
    names.sort(key=len, reverse=True)
    print("The sorted name list is:")
    for name in names:
        print(name)
else:
    print("Invalid Input")

Pass or Fail

def main():
    # Input the number of subjects
    num_subjects = int(input("Enter the no. of subjects: "))

    # Check for invalid number of subjects
    if num_subjects <= 0:
        print("Invalid no. of subjects")
        exit()

    # Initialize counters for passed and failed subjects
    passed_count = 0
    failed_count = 0

    print("Enter the marks:")

    # Iterate through each subject's mark
    for _ in range(num_subjects):
        mark = int(input())

        # Check for invalid marks
        if mark < 0 or mark > 100:
            print("Invalid mark")
            exit()

        # Count passed and failed subjects
        if mark > 50:
            passed_count += 1
        else:
            failed_count += 1

    # Output the count of passed and failed subjects
    print("No. of subjects passed:", passed_count)
    print("No. of subjects failed:", failed_count)


if __name__ == '__main__':
    main()

Create Quarters

months=('January','February','March','April','May','June','July','August','September','October','November','December')
first_quarter=months[0:3]
second_quarter=months[3:6]
third_quarter=months[6:9]
fourth_quarter=months[9:]
print('Months in expanded form:')
for i in range(len(months)):
    print(months[i])
print('\nThe four quarters are:')
print('\nFirst Quarter:')
for i in range(len(first_quarter)):
    print(first_quarter[i])
print('\nSecond Quarter:')
for i in range(len(second_quarter)):
    print(second_quarter[i])
print('\nThird Quarter:')
for i in range(len(third_quarter)):
    print(third_quarter[i])
print('\nFourth Quarter:')
for i in range(len(fourth_quarter)):
    print(fourth_quarter[i])

Unique and Sorted Words

data=input('Enter the string:\n')
s=set(data.split(' '))
output=' '.join(sorted(s))
print(output)

Simple Word dictionary

##Do not change the code skeleton given.  Write your program in the provided places alone.

def main():
    ### Write your code here
    word_dictionary={}
    while True:
        word=input('Enter the word:\n')
        no_of_meanings=int(input('Enter the no of meanings:\n'))
        if no_of_meanings<=0:
            print('Invalid Input')
            for key,value in word_dictionary.items():
                print(f'{key}:{value}')
            break
        else:
            meanings=[]
            print('Enter the meanings:')
            for i in range(no_of_meanings):
                data=input()
                meanings.append(data)
            word_dictionary[word]=meanings
            choice=int(input('Do you want to add one more elements to the dictionary? If yes, press 1, else press 0:\n'))
            if choice==1:
                continue
            elif choice==0:
                print("Here's the dictionary you've created:")
                for key,value in word_dictionary.items():
                    print(f'{key}:{value}')
                break
            else:
                print('Invalid Input')
                print("Here's the dictionary you've created:")
                for key,value in word_dictionary.items():
                    print(f'{key}:{value}')
                break
    return



if __name__=='__main__':
    main()

State-wise Enrollment

##Do not change the code skeleton given.  Write your program in the provided places alone.

def main():
    ### Write your code here
    n=int(input('Enter the no of participants details to be created :\n'))
    student_list=[]    
    if n>0:
        for i in range(n):
            student={}
            name=input('Name:\n')
            state=input('State:\n')
            age=int(input('Age:\n'))
            if age<=10 or age>80:
                print('Invalid input')
                continue
            student['Name']=name
            student['State']=state
            student['Age']=age
            student_list.append(student)
        print("Here's the list of participants details:")
        for i in student_list:
            print(i)
        res={}
        for i in student_list:
            if i['State'] not in res.keys():
                res[i['State']]=1
            else:
                res[i['State']]=res[i['State']]+1
        for key,value in res.items():
            print('State:',key,'Count:',value)
    else:
        print('Invalid input')
    return



if __name__=='__main__':
    main()

AEIMA’s Online Courses

no_of_courses=int(input('Enter the number of courses:\n'))
subjects,marks=[],[]
if no_of_courses<1:
    print('Invalid no. of courses')
    quit()
else:
    for i in range(no_of_courses):
        print('Enter the name of the subject and marks respectively:')
        data1=input('\n')
        data2=int(input('\n'))
        if data2<0 or data2>100:
            print('Invalid mark')
            quit()
        else:
            subjects.append(data1)
            marks.append(data2)
    print('The courses you have cleared are:')
    for i in range(no_of_courses):
        if marks[i]>=80:
            print(f'{subjects[i]} {marks[i]}')

Password Protection

total_plots=int(input('Enter the total no.of plots:\n'))
if total_plots<1 or total_plots>20:
    print('Invalid Input')
    quit()
plots=[]
print('Enter the numbers of each plot:')
for i in range(total_plots):
    plot=float(input())
    if plot<=0:
        print('Invalid Input')
        quit()
    plots.append(plot)
odd_sum=sum([i for i in plots if i%2!=0])
even_sum=sum([i for i in plots if i%2==0])
average=(odd_sum+even_sum)/2
print(f'The password for the file is: {average:.2f}')

Non-Working Doctors

##Do not change the code skeleton given.  Write your program in the provided places alone.

def main():
    ### Write your code here
    n1=int(input('\n'))
    if n1<=0:
        print('Invalid list size')
        quit()
    id1=[]
    for i in range(n1):
        data=int(input('\n'))
        if data<=0:
            print('Invalid Id')
            quit()
        id1.append(data)
    n2=int(input('\n'))
    if n2<=0:
        print('Invalid list size')
        quit()
    id2=[]
    for i in range(n2):
        data=int(input('\n'))
        if data<=0:
            print('Invalid Id')
            quit()
        id2.append(data)
    not_working_ids=[]
    for i in id1:
        if i not in id2:
            not_working_ids.append(i)
    print("Not Working Doctors' IDs are:")
    for i in not_working_ids:
        print(i,end=' ')
    return



if __name__=='__main__':
    main()

Residents' Information

no_of_residents=int(input('\nNo of Residents :\n'))
residents_list=[]
if no_of_residents<=0:
    print('Invalid')
    quit()
for i in range(no_of_residents):
    print(f'Resident {str(i+1)}:')
    name=input('Name :\n')
    age=int(input('Age :\n'))
    if age<21 or age>58:
        print('Invalid')
        quit()
    designation=input('Designation :\n')
    band=input('Band :\n')
    if band not in ('A','B','C','D'):
        print('Invalid')
        quit()
    resident=(name,age,designation,band)
    residents_list.insert(i,resident)
print("('NAME','AGE','DESIGNATION','BAND')")
for i in residents_list:
    print(i)
band_interest=input('Enter your band of interest:\n')
if band_interest not in ('A','B','C','D'):
    print('Invalid')
    quit()
else:
    band_count=0
    print("('NAME','AGE','DESIGNATION','BAND')")
    for i in residents_list:
        if band_interest in i:
            print(i)
            band_count+=1
    if band_count==0:
        print('No resident under this band')

Lucky Number

##Do not change the code skeleton given.  Write your program in the provided places alone.

def main():
    ### Write your code here
    def find_luck(num):
        sm=0
        while num!=0:
            temp=num%10
            sm+=temp
            num//=10
        if sm%2==0:
            return 1
        else:
            return 0
    number=int(input('Enter the Number:\n'))
    luck=0
    if number<=0:
        print('Invalid Number')
        quit()
    else:
        luck=find_luck(number)
    if luck==1:
        print(f'{number} is lucky')
    else:
        print(f'{number} is not lucky')
    
    
    
    return



if __name__=='__main__':
    main()

Farewell

import greet

name=input("Enter the senior's name:\n")
print(greet.message,end=' ')
greet.greet(name)
print('Documentation string:',greet.greet.__doc__)

Display bars

def draw_bar(n1,n2,n3):
    ## Write your code here
    print('*'*n1)
    print('-'*n2)
    print('#'*n3)
    return

Rhythm Composer

def find_prime(n1,n2):
    if n1<0 or n2<0:
        return ['Invalid range']
    if n1>n2:
        return ['Invalid range']
    primes=[]
    for num in range(n1,n2+1):
        if num>1:
            for i in range(2,num):
                if (num%i)==0:
                    break
            else:
                primes.append(num)
    if not primes:
        return ['There are no prime numbers in this range']
    return primes

    
start,end=int(input('\n')),int(input('\n'))
res=find_prime(start,end)
result=''
for i in range(len(res)):
    result+=str(res[i])+' '
print(result.strip())

Concat Strings

##Do not change the code skeleton given.  Write your program in the provided places alone.

def concat_string(str1,str2):
    ##Write your code here and return the values
    concat=str1[2:]+str2[2:]
    return (concat,len(concat))#TODO: Return the new string and length of string as two seperate values
    
    

def main():
    ### Write your code here
    string1=input('Enter String1: \n')
    string2=input('Enter String1: \n')
    data=concat_string(string1,string2)
    print(f'The concatenated string: {data[0]}')
    print(f'The length of the new string is :{data[1]}')
    return



if __name__=='__main__':
    main()

Amoeba Multiplication

def fibonacci(number):
    if number<1 or number>12:
        print('Invalid month')
        quit()
    if number==1:
        return 0
    elif number==2:
        return 1
    else:
        a=0
        b=1
        for i in range(1,number):
            c=a+b
            a=b
            b=c
        return a

month=int(input('Enter the month as numeric value:\n'))
size=fibonacci(month)
print(f'The amoeba size is {size}')

Percentage of marks - lambda function

subject1=int(input('Enter marks for subject1: \n'))
subject2=int(input('Enter marks for subject2: \n'))
subject3=int(input('Enter marks for subject3: \n'))

if (subject1 or subject2 or subject3)<=0 or (subject1 or subject2 or subject3)>100:
    quit()
cal=lambda s1,s2,s3:round((((s1+s2+s3)/300)*100),1)
percentage=cal(subject1,subject2,subject3)
print(f'Percentage is {percentage}')

Funny String

def funny_string(string):
    if len(string)<2 or len(string)>50:
        return 'Invalid string'
    STR1=string
    STR2=string[::-1]
    for i in range(len(string)):
        if abs(ord(STR1[i])-ord(STR1[i-1]))!=abs(ord(STR2[i])-ord(STR2[i-1])):
            return 'Not funny'
    return 'Funny'
    
string=input('Enter the string:\n')
print(funny_string(string))

Basket Ball Player Analysis - Numpy array

import numpy as np

points=[]
print("Enter John's points for each quarter:")
for i in range(1,5):
    for j in range(1,5):
        point=int(input(f'Quarter {i}, Point {j}:\n'))
        points.append(point)
john_statistics=np.array(points).reshape(4,4)
print("John's Statistics:")
print(john_statistics)
total_points=np.sum(john_statistics[:2])
average_points=np.mean(john_statistics[-1])
print('\nTotal points scored by John in the first 2 quarters : {:.2f}'.format(total_points))
print('Average points scored by John in the last quarter: {:.2f}'.format(average_points))

1D to 2D Array Conversion - Numpy array

import numpy as np

pixels=[]
print('Enter pixel values for the image (8 values):')
for i in range(1,9):
    pixel=int(input(f'Pixel {i}:\n'))
    if pixel<0 or pixel>256:
        print('Invalid input! Enter a value between 0 and 256')
        continue
    pixels.append(pixel)
arr=np.array(pixels)
print(f'Original Array:\n{arr}')
image_matrix=arr.reshape(2,4)
print(f'\nImage Matrix (2x4):\n{image_matrix}')
print(f'\nTop-left 2x2 Region:\n{image_matrix[:1,:2]}')
print(f'\nBottom-right 2x2 Region:\n{image_matrix[1:,2:]}')
print('\nMean value of the pixel values in the Image matrix: {:.2f}'.format(np.mean(image_matrix)))

Weather Analysis - Numpy array

import numpy as np

days=int(input('Enter the number of days: \n'))
records=[]
print(f'Enter temperature records for {days} days:')
for i in range(1,days+1):
    temp=float(input(f'Day {i}: \n'))
    records.append(temp)
temperatures=np.array(records)
print(f'Temperature Records for the City:\n{temperatures}')
print(f'\nMean Temperature for {days} Days: {np.mean(temperatures):.2f}')
max_temp,max_day=np.max(temperatures),np.argmax(temperatures)+1
min_temp,min_day=np.min(temperatures),np.argmin(temperatures)+1
print(f'Day with the Highest Temperature: Day {max_day} Temperature: {max_temp}')
print(f'Day with the Lowest Temperature: Day {min_day} Temperature: {min_temp}')
sorted_index=np.argsort(records)
sorted_days=sorted_index+1
print(f'\nDays Sorted by Temperature (Ascending Order):')
for i in range(days):
    print(f'Day {sorted_days[i]}: Temperature {temperatures[sorted_index[i]]}')

Store Student Data

no=int(input('Enter number of students: \n'))
file=open('output_data.txt','w')
for i in range(1,no+1):
    print(f'For student {i}')
    name=input('Enter name: \n')
    score=int(input('Enter the score: \n'))
    data_format=f'Name: {name} Score: {score}'
    file.write(f'{data_format}\n')
file.close()
read_file=open('output_data.txt','r')
data=read_file.read()
print('\noutput_data.txt will contain:')
print(data)
read_file.close()

Read CSV file

import csv

with open('OneDayInternational.csv','r')as csv_file:
    csv_reader=csv.DictReader(csv_file)
    count=0
    for row in csv_reader:
        print(row)
        count+=1
        if count==10:
            break

Copy the File

with open('file_in.txt','r')as input_file:
    with open('file_out.txt','w')as output_file:
        for line in input_file:
            output_file.write(line)

with open('file_out.txt','r')as output_file:
    print(output_file.read())

Filter the Countries Sachin has Played Against - CSV file

import csv

with open('OneDayInternational.csv','r')as csv_file:
    csv_reader=csv.DictReader(csv_file)
    countries=set()
    for row in csv_reader:
        countries.add(row['Versus'])
    countries=sorted(countries)
    print(countries)

Calculate year-wise total number of runs of Sachin

import csv

year_runs={}
with open('OneDayInternational.csv','r')as csv_file:
    csv_reader=csv.DictReader(csv_file)
    for row in csv_reader:
        year=row['MatchDate'].split('/')[2]
        runs=int(row['Runs'])
        year_runs[year]=year_runs.get(year,0)+runs
for year,runs in sorted(year_runs.items()):
    print(year,runs)

Filter Customers - JSON File

import json

def filter_customers(loan_type):
    with open('loan.json')as json_file:
        data=json.load(json_file)
        customers=data['customers']
        count=0
        for customer in customers:
            loans=customer['loans']
            for loan in loans:
                if loan['loan_type'].lower()==loan_type:
                    count+=1
        if count==0:
            print('No customers available')
        else:
            print('Loan Details')
            print('Account_Number\tCustomer_Name\tLoan_Amount')
            for customer in customers:
                loans=customer['loans']
                for loan in loans:
                    if loan['loan_type'].lower()==loan_type:
                        print(customer['Account_Number'],'\t',customer['customer_name'],'\t',loan['loan_amount'])
                        
loan_type=input('Enter the loan type\n')
filter_customers(loan_type)

Find Sum - Code Analysis

def main():
    print("Enter the value of N")
    number=int(input('\n'))
    sm=0
    if number<0:
        print("Invalid input")
    else:
        for i in range(1,number+1):
            sm=sm+i
            
        print(f"The sum of first {number} natural numbers is {sm}")
        
        

if __name__=='__main__':
    main()

Sum the Odd and Even

def operation(my_tuple):
    odd_sum=0
    even_sum=0
    for i in range(len(my_tuple)):
        if my_tuple[i]%2==0:
            even_sum=even_sum+my_tuple[i]
        else:
            odd_sum=odd_sum+my_tuple[i]
    return (even_sum,odd_sum)
    
    
my_tuple=(20,5,70,9,100)
sum_value=operation(my_tuple)

print("Sum of odd numbers :",sum_value[1])
print("Sum of even numbers :",sum_value[0])

Automorphic Number

# Function to check Odd number
def checkOdd(N):
    if(N%2!=0):
        return True
    else:
        return False


# Function to check Automorphic number
def isAutomorphic(N) :
	sq = N * N
	while N!=0:
		if N % 10==sq % 10:
			return True
		else:
		    return False
		N//= 10
		sq//= 10
	

# Driver method
def main():
    print("Enter the number:")
    N=int(input('\n'))
    
    if checkOdd(N):
        if isAutomorphic(N):
            print("Automorphic Number")
        else :
	        print("Not an Automorphic Number")
    else:
	    print("Not an Odd Number")
	
	

if __name__=="__main__":
    main()

List of Lists

def operation(mylist):
    mx,sm=0,0
    for i in range(len(mylist)):
        for j in range(len(mylist)):
            if(mylist[i][j]>mx):
                mx=mylist[i][j]
            sm=sm+mylist[i][j]
   
    return mx,sm
    # # print(len(mylist))
    
my_list=[[3,5,6],[7,8,44],[33,1,99]]

value1,value2=operation(my_list)
print(value1," is the Maximum value");
print(value2," is the sum");

Talent Search Test - Files

name_list=[] 


with open('student_marks.txt')as file_obj:
    student_list=file_obj.readlines()
    for i in range(0,len(student_list),2):
        if (int)(student_list[i+1])>=80:
            name_list.append(student_list[i])
        

for i in name_list:
    print(i)

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