Can you solve this problem using Python? Thanks. **Lesson: Understanding Basic Programming Operations**---**Part 1: Header**In this lesson, students will create a simple program that takes user input to perform basic calculations. Begin by creating a header that includes the title of the program, your name, and the date.---**Part 2: Taking in User Input**Start by creating a program that prompts the user for two numbers and an operation. The program should continue to prompt the user until they type "DONE." Each operation will be calculated and displayed immediately.**Example Input/Output:**```What is the first number: 7What is the second number: 7What operation: +7 + 7 = 14What is the first number: 6What is the second number: 4What operation: DONE```If an invalid operation is entered, notify the user:```What is the first number: 7What is the second number: 3What operation: *Invalid operandWhat is the first number: DONEWhat is the second number: 8What operation: DONE```---**Part 3: Calculations****1) Basic Addition:**Add the first number to the second number.Example:```What is the first number: 6What is the second number: 7What operation: +6 + 7 = 13```**2) Multiplication:**Multiply the first number by the second number.Example:```What is the first number: 6What is the second number: 12What operation: *6 * 12 = 72```**3) Division:**Divide the first number by the second number and state the remainder if necessary.Example:```What is the first number: 47What is the second number: 3What operation: /47 / 3 = 15 with a remainder of 2```**Complete Mock User Input:**Example:```What is the first number: 6What is the second number: 9What operation: +6 + 9 = 15What is the first number: 40What is the second number: 3What operation: /40 / 3 = 13 with a remainder of 1What is the first number: 9What is the second number:

b=0while(b!=1): d1=int(input("What is the first number : ")) d2=int(input("What is the…

Answered: Part 1 - Create a header comment with…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Can you solve this problem using Python? Thanks.

**Lesson: Understanding Basic Programming Operations**

---

**Part 1: Header**

In this lesson, students will create a simple program that takes user input to perform basic calculations. Begin by creating a header that includes the title of the program, your name, and the date.

---

**Part 2: Taking in User Input**

Start by creating a program that prompts the user for two numbers and an operation. The program should continue to prompt the user until they type "DONE." Each operation will be calculated and displayed immediately.

**Example Input/Output:**

```
What is the first number: 7
What is the second number: 7
What operation: +
7 + 7 = 14
What is the first number: 6
What is the second number: 4
What operation: DONE
```

If an invalid operation is entered, notify the user:

```
What is the first number: 7
What is the second number: 3
What operation: *
Invalid operand
What is the first number: DONE
What is the second number: 8
What operation: DONE
```

---

**Part 3: Calculations**

**1) Basic Addition:**

Add the first number to the second number.

Example:
```
What is the first number: 6
What is the second number: 7
What operation: +
6 + 7 = 13
```

**2) Multiplication:**

Multiply the first number by the second number.

Example:
```
What is the first number: 6
What is the second number: 12
What operation: *
6 * 12 = 72
```

**3) Division:**

Divide the first number by the second number and state the remainder if necessary.

Example:
```
What is the first number: 47
What is the second number: 3
What operation: /
47 / 3 = 15 with a remainder of 2
```

**Complete Mock User Input:**

Example:
```
What is the first number: 6
What is the second number: 9
What operation: +
6 + 9 = 15
What is the first number: 40
What is the second number: 3
What operation: /
40 / 3 = 13 with a remainder of 1
What is the first number: 9
What is the second number:

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Follow-up Question

When I input "DONE", how will I do like example shown in image?

Thanks

### Mathematical Operations and Examples

1. **Addition Example:**
- What is the first number: 6
- What is the second number: 9
- What operation: +
- Calculation: $6 + 9 = 15$

2. **Division Example:**
- What is the first number: 40
- What is the second number: 3
- What operation: /
- Calculation: $40 / 3 = 13$ with a remainder of 1

3. **Subtraction Example:**
- What is the first number: 13
- What is the second number: 3
- What operation: -
- Calculation: $13 - 3 = 10$

4. **Termination:**
- What is the first number: DONE
- What is the second number: 3
- What operation: -

This sequence demonstrates basic arithmetic operations: addition, division with remainder, and subtraction. The input concludes with the word "DONE," indicating the end of operations.

## Python Script for Basic Arithmetic Operations

This Python script is designed to perform basic arithmetic operations—addition, subtraction, multiplication, and division—on two input numbers. Below is a detailed breakdown of the code structure.

### Code Explanation:

- **Initialization**:
```python
b=0
while(b!=1):
```

The variable `b` is used as a control for the while loop, which keeps the program running until an exit condition is met.

- **Input Handling**:
```python
d1=(input("What is the first number : "))
d2=(input("What is the second number : "))
op=input("What operation: ")
```

The program takes input for two numbers (`d1` and `d2`) and one arithmetic operation (`op`).

- **Condition Checking**:
```python
if op== "done" or op =="DONE":
```

This section checks if the user wants to exit the program.

- **Operations**:
- **Addition**:
```python
if op=="+":
ans=int(d1)+int(d2)
print(str(d1)+op+str(d2)+"="+str(ans))
```

- **Subtraction**:
```python
if op=="-":
ans=int(d1)-int(d2)
print(str(d1)+op+str(d2)+"="+str(ans))
```

- **Multiplication**:
```python
if op=="*":
ans=int(d1)*int(d2)
print(str(d1)+op+str(d2)+"="+str(ans))
```

- **Division**:
```python
elif op=="/":
if d2=="0":
print("Divide by zero error")
else:
ans=int(d1)/int(d2)
rem=int(d1)%int(d2)
print(str(d1)+op+str(d2)+"="+str(ans)+ " with a remainder of "+str(rem))
```

- **Exit Conditions**:
```python
elif op=="DONE" or d2=="DONE":
b=1
quit()
```

If the user inputs "DONE", the program will terminate.

- **Error Handling**:
```python
else:
print("Invalid operand")
```

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Follow-up Question

I have a question. When I want to input "DONE" in inputing number part like below:

What is the first number: DONE

What is the second number: DONE

How will I do that? Thanks.

### Python Program to Perform Basic Arithmetic Operations

This Python code is designed to perform basic arithmetic operations: addition, subtraction, multiplication, and division. Let's go through the code step-by-step:

1. **Variable Initialization**:
- `b = 0`: This variable is used as a flag for the while loop control.

2. **While Loop**:
- The loop continues as long as `b` is equal to 1.
- Two numbers, `d1` and `d2`, are input from the user.
- The user is prompted to specify an operation: `+` for addition, `-` for subtraction, `*` for multiplication, or `/` for division.

3. **Operation Execution**:
- If the input operator is `+`, `d1` and `d2` are added.
- If the input operator is `-`, `d2` is subtracted from `d1`.
- If the input operator is `*`, `d1` and `d2` are multiplied.
- If the input operator is `/`, it checks for a divide-by-zero condition. If not zero, it divides `d1` by `d2` and calculates the remainder.

4. **Exit Command**:
- If the user inputs `DONE`, the loop terminates.

5. **Error Handling**:
- If an invalid operator is entered, the program prints "Invalid operand".

### Terminal Output
- The terminal output shows a history of inputs and results along with corresponding operations and potential errors.
- Example outputs include results of operations and error messages for invalid inputs.

This program allows users to perform continuous calculations until they choose to exit by typing "DONE". Note that it handles common errors like division by zero and invalid operand entries.

Solution

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Follow-up Question

How to fix the error shown in the picture? Thanks.

% 4 A
File Edit Selection View Go Run Terminal Help
Workspace Trust
→ Project3_Zhang.py
Project4_Zhang.py X
C: > Users > junji > OneDrive > Desktop > miscellaneous > Project4_Zhang.py > ...
1
b=0
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9
Ⓒ⁰A0
10
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while(b!=1):
d1=int (input ("What is the first number : "))
d2=int (input ("What is the second number : "))
op=input("What operation: ")
if op=='+' or op=='*' or op=='-':
if op=='+':
ans=d1+d2
if op=='-':
56°F
Mostly clear
ans=d1-d2
if op=='*':
ans=d1*d2
print (str(d1)+op+str(d2)+"="+str(ans))
elif op=='/' :
if d2==0:print("Divide by zero error")
else:
else:
ans-int (d1/d2)
rem=d1%d2
elif op=="DONE":
print (str(d1) +op+str(d2)+"="+str(ans)+" with a remainder of "+str(rem))
b=1
quit()
print("Invalid operand")
PROBLEMS OUTPUT DEBUG CONSOLE TERMINAL JUPYTER
Project4_Zhang.py - Visual Studio Code
40/3=13 with a remainder of 1
What is the first number: 13
What is the second number : 3
What operation:
13-3=10
What is the first number : DONE
Traceback (most recent call last):
File "c:\Users\junji\OneDrive\Desktop\miscellaneous\Project4_Zhang.py", line 3, in <module>
d1=int (input("What is the first number : "))
ValueError: invalid_literal for int() with base 10: 'DONE'
PS C:\Users\junji> [
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Ln 8, Col 22 Spaces: 4
UTF-8
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US 01 LOGIN PAGE
Python + ✓
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CRLF Python 3.10.7 64-bit (microsoft store) o
6:59 PM
10/3/2022

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