accept input age, height and weight for some people. The loop will stop when the user enters value 0 for age. Calculate average for age, height and weight, and print the number of people and average age, height and weight.

amboi2

To solve this task, you can use a loop to accept input for multiple people's age, height, and weight. The loop will stop when the user enters 0 for the age. After that, you can calculate the average age, height, and weight and print the results. Here's a step-by-step guide to help you implement this:

Step 1: Initialize variables
- Initialize the variables `totalAge`, `totalHeight`, `totalWeight`, and `numPeople` to 0.

Step 2: Start the loop
- Use a while loop to accept input for age, height, and weight.
- Inside the loop, prompt the user to enter the age. Store the input in a variable, let's say `age`.
- Check if `age` is equal to 0 using an if statement. If it is, break the loop and proceed to step 3.
- Increment `totalAge` by adding the value of `age`.
- Prompt the user to enter the height. Store the input in a variable, let's say `height`.
- Increment `totalHeight` by adding the value of `height`.
- Prompt the user to enter the weight. Store the input in a variable, let's say `weight`.
- Increment `totalWeight` by adding the value of `weight`.
- Increment `numPeople` by 1.

Step 3: Calculate the averages
- Calculate the average age by dividing `totalAge` by `numPeople` and store the result in a variable, let's say `avgAge`.
- Calculate the average height by dividing `totalHeight` by `numPeople` and store the result in a variable, let's say `avgHeight`.
- Calculate the average weight by dividing `totalWeight` by `numPeople` and store the result in a variable, let's say `avgWeight`.

Step 4: Print the results
- Print the number of people by displaying the value of `numPeople`.
- Print the average age by displaying the value of `avgAge`.
- Print the average height by displaying the value of `avgHeight`.
- Print the average weight by displaying the value of `avgWeight`.

Here's the code that implements the above steps in Python:

```python
# Step 1: Initialize variables
totalAge = 0
totalHeight = 0
totalWeight = 0
numPeople = 0

# Step 2: Start the loop
while True:
age = int(input("Enter the age (enter 0 to stop): "))

# Break the loop if age is 0
if age == 0:
break

totalAge += age
height = float(input("Enter the height: "))
totalHeight += height
weight = float(input("Enter the weight: "))
totalWeight += weight

numPeople += 1

# Step 3: Calculate the averages
avgAge = totalAge / numPeople
avgHeight = totalHeight / numPeople
avgWeight = totalWeight / numPeople

# Step 4: Print the results
print("Number of people:", numPeople)
print("Average age:", avgAge)
print("Average height:", avgHeight)
print("Average weight:", avgWeight)
```

Note: Make sure to handle any potential errors that may arise from inputting invalid or non-numeric values for age, height, and weight.

Sure! Here's how you can achieve that in Python:

```python
# Initialize variables
sum_age = 0
sum_height = 0
sum_weight = 0
count_people = 0

# Accept input
while True:
age = int(input("Enter age (or 0 to stop): "))

# Check if the loop should stop
if age == 0:
break

height = float(input("Enter height in cm: "))
weight = float(input("Enter weight in kg: "))

# Increment counters
sum_age += age
sum_height += height
sum_weight += weight
count_people += 1

# Calculate averages
average_age = sum_age / count_people
average_height = sum_height / count_people
average_weight = sum_weight / count_people

# Print results
print("Number of people:", count_people)
print("Average age:", average_age)
print("Average height:", average_height)
print("Average weight:", average_weight)
```

This code uses a `while` loop to continuously accept input until the user enters `0` for age. It prompts the user for the age, height, and weight for each person and keeps track of the cumulative sums and the count of people.

Once the loop ends, it calculates the averages by dividing the sums by the count of people. Finally, it prints the number of people and the average age, height, and weight.