Multi-drone coordination concept in Drone Programming - Practice Problems & Coding Challenges

Challenge - 5 Problems

❓ Predict Output

intermediate

Output of drone position update loop

Consider a fleet of drones updating their positions in a loop. What is the output of the following code snippet?

Drone Programming

drones = [{'id': 1, 'pos': 0}, {'id': 2, 'pos': 5}]
for drone in drones:
    drone['pos'] += 3
print([d['pos'] for d in drones])

A [3, 8]

B [0, 5]

C [1, 6]

D [6, 11]

💡 Hint

Each drone's position increases by 3.

The loop adds 3 to each drone's position. So 0 + 3 = 3 and 5 + 3 = 8.

🧠 Conceptual

intermediate

Understanding drone collision avoidance logic

In multi-drone coordination, what is the main purpose of a collision avoidance algorithm?

A To reduce battery consumption by turning off sensors

B To increase drone speed for faster delivery

C To ensure drones maintain safe distances to prevent crashes

D To synchronize drone cameras for better video quality

💡 Hint

Think about safety when multiple drones fly close.

Collision avoidance algorithms help drones keep safe distances to avoid crashing into each other.

🔧 Debug

advanced

Identify the error in drone task assignment code

What error will this code produce when assigning tasks to drones?

Drone Programming

tasks = ['scan', 'deliver', 'survey']
drones = [{'id': 1}, {'id': 2}]
for i in range(len(tasks)):
    drones[i]['task'] = tasks[i]
print(drones)

A TypeError: 'int' object is not subscriptable

B [{'id': 1, 'task': 'scan'}, {'id': 2, 'task': 'deliver'}]

C [{'id': 1, 'task': 'scan'}, {'id': 2, 'task': 'deliver'}, {'id': 3, 'task': 'survey'}]

D IndexError: list index out of range

💡 Hint

Check the loop range versus drones list length.

The loop tries to assign a task to drones[2], but drones only has 2 elements (index 0 and 1), causing IndexError.

📝 Syntax

advanced

Syntax error in drone status update function

Which option contains the correct syntax for updating drone status in Python?

Drone Programming

def update_status(drone, status):
    drone['status'] = status
    return drone

# Call example
update_status({'id': 1}, 'active')

A

def update_status(drone, status):
    drone['status'] = status
    return drone

B

def update_status(drone, status):
    drone.status = status
    return drone

C

def update_status(drone, status):
    drone['status'] == status
    return drone

D

def update_status(drone, status)
    drone['status'] = status
    return drone

💡 Hint

Check function definition and dictionary assignment syntax.

Option A uses correct function syntax and dictionary key assignment with '='.

🚀 Application

expert

Number of unique drone communication pairs

In a fleet of 6 drones, each drone communicates directly with every other drone exactly once. How many unique communication pairs are there?

A 30

B 15

C 12

D 36

💡 Hint

Use the formula for combinations of 6 items taken 2 at a time.

The number of unique pairs is 6 choose 2 = 6*5/2 = 15.