# User Input & Type Casting 1. **Take the name from the user and greet him in this form - Hello, username**
Solution ```python name = input('Enter Your Name : ') print('Hello,', name) ```
2. **`Take input of the length and breadth of a rectangle from the user and print the area of it.`**
Solution `length = float(input('Enter the length : '))` `breadth = float(input('Enter the breadth : '))` `area = length * breadth` `print('Area :', area)`
3. **`Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. The Table below shows how healthy you are with respect to your BMI.`**
**`The Formula That we use For BMI is :`** $$ bmi = weight(kgs)/height(cms)^2\*10000 $$ **`Take Weight and height from the user and Calculate BMI.​`**
Solution **First we will take weight and height from user with the help of user input.** `weight = int(input('Enter your weight : '))` `height = int(input('Enter your height : '))` **Then we will calculate BMI , Now say if we want only two decimal values , we can use `round()` Function.** `bmi = round(weight / height ** 2 * 10000)` `print('Your BMI is',bmi)`
*4.* **`Take Principle, Rate, and Time From User and Calculate Simple Interest.`** **`Formula For Simple Interest is:`** $$ Simple Interest = Principle \* Rate \* Time / 100 $$
Solution `principle = int(input('Enter the amount : '))` `rate = int(input('Rate : '))` `time = int(input('Time : '))` `simple_interest = principle * rate * time / 100` `print('Simple Interest is',simple_interest)`
5\. **`Your task is to take name and age and location from user and print the following message :`** **`Hello Everyone , I am xyz and i am xyz years old and i live in xyz.`**
Solution `name = input('Enter your name : ')` `age = input('What is your age ? ')` `location = input('Where do you live ? ')` `print('Hello Everyone , I am' ,name, 'and i am', age, 'years old and i live in', location,'.')`
**`6. Suppose there are many N numbers of people in the Army. We need to distribute them in G groups. Take the number of people from users and the Number of Groups and tell how many are left without Group.`**
Solution `n = int(input('Number of Army People : '))` `g = int(input('How many groups do we need ? '))` `rest = n%g` `print('Remaining People :',rest)`
**`7.Take Temperature in Fahrenheit and convert it into Celsius.`** **`Formula:` *****C = 5/9 \* ( F - 32 )***
Solution ```python # Ask user for temperature in Fahrenheit fahrenheit = float(input("Enter temperature in Fahrenheit: ")) # Convert to Celsius celsius = (fahrenheit - 32) * 5/9 # Print result print(fahrenheit,' degrees Fahrenheit is equal to',celsius,'degrees Celsius.") ```
8. Take two variables from user value and power and print the solution value raised to power.\ Such as value = 3 and power = 2 then solution is 9
Solution ```python value = int(input('Enter the Number : ')) power = int(input('Enter the power : ')) solution = value ** power print('Solution is', solution) ```
9. Tom had y amount in his bank and jeff withdrew x amount where x is always less than y. Print the remaining balance in Tom's account. Take x and y from the user.
Solution ```python y = int(input("Enter Tom's account balance : ")) x = int(input('Enter withdrawal amount : ')) balance = y - x print('Remaining balance :', balance) ```
10. Take the base and height of a triangle from the user and calculate the area of the triangle.\ area=(base \* height)\*1/2
Solution ```python base=int(input('Enter the base of the triangle:')) height=int(input('Enter the height of the triangle:')) area=(base*height)*1/2 print('Area of the triangle is',area) ```
11. **Take 5 numbers from the user and calculate average of those numbers.** **(average=sum of data/number of data)**
Solution ```python num1=int(input('Enter first number:')) num2=int(input('Enter first number:')) num3=int(input('Enter first number:')) num4=int(input('Enter first number:')) num5=int(input('Enter first number:')) average=(num1+num2+num3+num4+num5)/5 print('Average of the numbers',average) ```
12. Take the sides of a triangle and check whether it follows Pythagoras' theorem.\ sq. of base + sq. of height=sq. of hypotenuse
Solution ```python base=int(input('Enter base of the triangle:')) height=int(input('Enter height of the triangle:')) hypotnuse=int(input('Enter hypotnuse of the triangle:')) result=base**2 + height **2 print('pythagoras theorem:',result==hypotnuse**2) ```
13. Take the length and breadth of a rectangle and find the perimeter of the rectangle\ perimeter= 2 \* (length + breadth)
Solution ```python length=int(input('Enter length of the rectangle:')) breadth=int(input('Enter breadth of the rectangle:')) perimeter= 2* (length + breadth) print('Perimeter of the rectangle with sides', length,'and',breadth,' will be', perimeter) ```
14. Take the side of a cube in cm and calculate the volume of the cube.\ volume= side \* side \* side
Solution ```python side=int(input('Enter side of a cube:') volume= side ** 3 print('Volume of the cube:',volume,'cubic cm') ```
15. Take the length, breadth, and height of a cuboid in cm and calculate the volume of the cuboid.\ volume= length \* breadth \* height
Solution ```python length= int(input('Enter length of the cuboid:')) breadth=int(input('Enter breadth of the cuboid:')) height= int(input('Enter height of the cuboid:')) volume= length * breadth * height print('Volume of the cuboid:',volume,'cubic cm') ```
16. Take the radius and height of a cylinder and calculate the total surface area.\ total\_surface\_area= 2\*3.14\* radius \*height + 2\* 3.14 \* sq. of radius
Solution ```python radius= int(input('Enter radius of the cylinder:')) height= int(input('Enter height of the cylinder:')) pi=3.14 total_surface_area = 2*pi*radius*height + 2*pi*radius**2 print('the total surface area of the cylinder is',total_surface_area) ```
17. Take the radius and height of a cone and calculate the volume of it.\ volume= (3.14 \* sq of radius \* height) \* 1/3
Solution ```python radius= int(input('Enter radius of the cone:')) height= int(input('Enter height of the cone:')) pi=3.14 volume= (pi * radius **2 *height)*1/3 print('Volumeof the cone',volume) ```
18. Take the radius and length of a cone and calculate the total surface area of it.\ total\_surface\_area= 3.14\*radius\*(radius + length)
Solution ```python radius= int(input('Enter radius of the cone:')) length= int(input('Enter length of the cone:')) pi=3.14 total_surface_area= pi * radius * (radius + length) print('total surface area of the cone:',total_surface_area) ```
19. The output of the following **A = 100** \ **B= 30** \ **print(A and B)**
a. True \ b. False \ c. 100 \ d. 30
Solution Answer: option **d**
20. **print(20 or 30)** \ a. False \ b. True \ c. 20 \ d. 30
Solution Answer: option **c**
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