AI Error Gallery & Code Snippets

"Write a Python function that calculates the range of a projectile given initial velocity (m/s) and launch angle (degrees). Use the standard range equation."

import math

def projectile_range(velocity, angle):
    """Calculate the range of a projectile.
    velocity: initial velocity in m/s
    angle: launch angle in degrees
    Returns: range in meters
    """
    g = 9.81  # acceleration due to gravity
    range_m = (velocity ** 2 * math.sin(2 * angle)) / g
    return round(range_m, 2)

# Example: 20 m/s at 45 degrees
print(projectile_range(20, 45))  # Expected: ~40.77 m

    angle_rad = math.radians(angle)
    range_m = (velocity ** 2 * math.sin(2 * angle_rad)) / g

"Write a Python function that takes a list of daily temperatures and returns the average, minimum, and maximum."

def temp_stats(temperatures):
    """Return average, min, and max temperature."""
    total = 0
    for temp in temperatures:
        total += temp
    average = total / len(temperatures)
    minimum = min(temperatures)
    maximum = max(temperatures)
    return {
        "average": round(average, 1),
        "min": minimum,
        "max": maximum
    }

# Test with a week of data
week = [72, 68, 75, 80, 77, None, 73]
print(temp_stats(week))

def temp_stats(temperatures):
    clean = [t for t in temperatures if t is not None]
    if not clean:
        return {"average": None, "min": None, "max": None}
    average = sum(clean) / len(clean)
    return {"average": round(average, 1), "min": min(clean), "max": max(clean)}

"Write a function that classifies a pH value as acidic, neutral, or basic."

def classify_ph(ph):
    """Classify pH as acidic, neutral, or basic."""
    if ph < 7:
        return "acidic"
    if ph == 7:
        return "neutral"
    if ph > 7:
        return "basic"

# Test
print(classify_ph(6.8))   # acidic ✓
print(classify_ph(7.0))   # neutral ✓
print(classify_ph(7.2))   # basic ✓
print(classify_ph(-1))    # acidic? 🤔
print(classify_ph(15))    # basic? 🤔

def classify_ph(ph):
    if ph < 0 or ph > 14:
        return "invalid (pH must be 0-14)"
    if ph < 6.5:
        return "acidic"
    if ph <= 7.5:
        return "approximately neutral"
    return "basic"