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City of Wanneroo, outer north of Perth, Western Australia

Online coding and Python classes in Wanneroo

What does the Wanneroo Python project teach?

How to handle missing values without hiding mistakes. Main Roads lists 97 traffic count sites in the City of Wanneroo, and 23 have no weekend average. Learners compare two Python styles: look before you leap, which checks first, and easier to ask forgiveness than permission, which tries and catches the error. Both work. A careless version of the second silently throws away every row.

The City of Wanneroo covers about 683 square kilometres of Perth's outer north, from Girrawheen and Koondoola in the south to Yanchep and Two Rocks in the north. It is growing fast, with a median age of 35 at the 2021 Census, and its main roads carry heavy commuter traffic toward the city. Their published counts are real, and so are their gaps.

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Facts last verified 12 October 2026. Teaching is online; no Wanneroo branch is claimed.

Course picks for Wanneroo

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The four we are known for

Python, AI, vibe coding and agentic coding

These run underneath everything above. Every one is live and online, placed by ability rather than by age, and the first class is free.

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Wanneroo by the numbers

Young families on Perth's growing edge

Council-wide figures for the City of Wanneroo (ABS LGA58760) from 2021 Census QuickStats, read on 12 October 2026, and the bureau's 2025 estimate.

City of Wanneroo counts
MeasureValue
Residents, 2021 Census209,111
Estimated residents, 2025246,147
Median age35
Families57,797
Private dwellings78,029
People per household2.8
Wanneroo shares beside the state
ShareWannerooWA
Separate houses92.1% (65,649)79.7%
Couple families with children50.1% (28,985)44.6%
Residents aged 5 to 97.6% (15,950)6.5%
Train to work2.5% (2,611)1.8%

Growth

The ABS estimate for 2025 is 246,147 residents against 209,111 counted in 2021. Different methods produce them, so both appear here unsubtracted.

Apartments are rare

Only 302 dwellings, 0.4%, were flats or apartments, compared with 6.5% across Western Australia.

Schools

Our map test counts 50 government schools inside the council outline, 38 of them primary schools.

Because the Census was held during the pandemic, journey-to-work answers describe that week. The ABS also rounds shares and perturbs small counts slightly, so its rows may not sum exactly to its totals; we reproduce its figures as printed.

Signature project

Look before you leap, or ask forgiveness?

Each Main Roads count site has an average weekday volume and, usually, an average weekend volume. Learners want the weekend-to-weekday ratio for every Wanneroo site. The first attempt divides one by the other for all 97 rows, and Python stops at the fifth with a TypeError, because that site's weekend value is None.

Four ways to handle the 23 missing weekend values (our runs on Main Roads data)
ApproachSites keptResult
Divide every row0Crashes at row 5 with TypeError
LBYL: check for None first74Median ratio 0.793
EAFP: try, except TypeError74Median ratio 0.793
Replace None with 097Mean drops from 0.793 to 0.605

Two honest styles

Checking first and catching the specific error give the same 74 ratios. Python programmers often prefer the try style, but here the choice is about clarity, not correctness.

The zero trap

Filling gaps with zero keeps all 97 rows and looks complete. It invents 23 empty weekends and pulls the average ratio down by almost a quarter.

The broad except

Catch every exception and mistype one field name, and the loop raises KeyError on every row, catches it, and keeps 0 of 97 sites with no message at all.

What the 74 ratios show

Most Wanneroo roads are quieter at weekends: the median site carries about four-fifths of its weekday traffic. Three sites run the other way, led by Indian Ocean Drive north of Breakwater Drive, whose weekend average is 1.178 times its weekday figure. The steepest weekend drop is on Flynn Drive east of Wanneroo Road, at 0.541.

Volumes are from the Main Roads Traffic Digest, downloaded on 12 October 2026, for the 97 sites Main Roads assigns to the City of Wanneroo. Of the 23 sites without weekend averages, 21 have a 2024/25 count year. Each ratio compares two numbers from the same site and year; the medians and means are our own calculation.

Writing it properly

Catch the error you expect, and only that one

The lesson ends with one rule: name the exception you mean, keep the try block small, and record what was skipped.

Lesson steps
StepLearner task
1Load the Wanneroo rows and run the naive loop to see the TypeError.
2Write the LBYL version with an explicit None check.
3Write the EAFP version catching only TypeError, and list the skipped sites.
4Plant a field-name typo, wrap it in except Exception, and watch every row vanish.

Step 3 asks learners to print the skipped list, not just count it. Four of the gaps sit on Wanneroo Road and five on Marmion Avenue, so a road-by-road summary built from the 74 survivors would quietly under-represent those roads. Learners finish by writing one sentence that reports the coverage alongside the answer: 74 of 97 sites had a weekend figure.

Younger learners

Program a robot that checks a door is open before walking through, then one that tries the door and steps back if it is locked.

Teenagers

Write both versions, test them on rows with gaps, and explain why except Exception is dangerous.

Adults

Review error handling in work scripts and replace silent broad excepts with named ones and logs.

Around Wanneroo

Counted roads and the coming school year

Facts from Main Roads and the WA Department of Education.

Busiest counter

Joondalup Drive west of Wanneroo Road averages 44,223 vehicles a day across the week, from a 2024/25 count.

Wanneroo Road

With 17 count sites, Wanneroo Road has more counters than any other road in the council.

2027 starts

WA public school students go back on Monday 1 February 2027, and the first term runs until Friday 9 April.

Boundary note

Figures use the ABS council boundary of about 683.3 square kilometres. Traffic sites follow the council Main Roads records; school counts use our own point-in-polygon test.

Learning ladder

From robot doors to exception handling

A rough age guide; the trial lesson settles it.

Ages 6 to 10

Blocks and rules

Scratch programs with if-then checks and safe fallbacks.

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First Python

Variables, conditions and the first try and except.

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Robust Python

Real files, missing values and tested functions.

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University and adult

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Automation and data scripts that fail clearly.

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Python and AI

Do AI assistants handle errors well?

They often write the broad catch-all, because it makes code run.

Ask an assistant to fix the Wanneroo crash and a common suggestion is to wrap the loop in except Exception. The error disappears, and so might every row, the next time a field name changes.

A learner who has watched 97 sites become 0 will ask which exception is expected, how many rows were skipped and why. That turns a quick patch into reliable code.

In Wanneroo classes, a script that runs is only the start of the review. The longer argument is in is coding still worth learning in 2026.

Delivery

How lessons reach Wanneroo

Classes are taught live over video, which spares families the long drives of the outer north.

Teacher present

Each lesson is live, with code checked while learners type.

Term-based

Lessons line up with WA school terms and stop for holidays.

Try it first

A free trial lesson leads to a written plan.

Group options

Fifteen to twenty learners per level, or private sessions.

Regular schedule

Two sessions every week, around eight a month.

India hours

A 5pm Wanneroo session starts at 2:30pm Indian time.

No seasonal shift

Daylight saving in Western Australia last ended in March 2009, the IANA time zone database shows, so lesson times keep the same two-and-a-half-hour gap with India.

Fees

Wanneroo class fees

All learners pay the same fees.

First classUSD 0

No fee for the first lesson, which comes with a plan.

Group tuitionUSD 100

Groups: roughly eight lessons a month, fifteen to twenty learners.

Private tuitionUSD 150

Private: roughly eight lessons a month with one teacher.

Fees are billed in US dollars and start only when the trial has set the course and a regular weekly time. Holiday and missed-lesson details are on the pricing page.

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Reviews

Families on Google

Rated 4.9 across 547 Google reviews. These are real reviews, reproduced as written.

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"The one step solution for my son. Modern Age Coders make learning coding so simple that kids love it. The teachers explain complex concepts clearly with practical exercises and interactive content."

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Parent

★★★★★

"Modern Age Coders has been a game-changer for me. I struggled to grasp IT concepts and coding before joining, but their classes transformed everything. I can now confidently write complex programs with ease."

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Student

★★★★★

"One of the most wonderful education centres out there. Education is not limited to school syllabus but focuses on skill development."

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Student

★★★★★

"My child Dhairya is really enjoying the Modern Age Coders classes. This is his first online class and he eagerly looks forward to it. I can already see his improvement, and the teachers are very cooperative."

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Parent of Dhairya

★★★★★

"Modern Age Coders have wonderful teachers who teach in a clear, easy and practical way. The teacher boosts students' confidence and inspires them to learn without hesitation."

Sonu Goyal

Parent

★★★★★

"I highly recommend this computer coding class! The teachers are incredibly knowledgeable and passionate about coding."

Ritu Kedia

Parent

Free placement class

Book a free Wanneroo lesson

Tell us the learner's age and what they like. Children might program the robot door; teenagers might write the Wanneroo try and except.

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FAQ

Wanneroo coding and Python questions

Frequent questions from families and adults in Wanneroo.

What was the City of Wanneroo's population?

The 2021 Census counted 209,111 residents with a median age of 35. The ABS estimate for 2025 is 246,147.

What do EAFP and LBYL mean?

EAFP is easier to ask forgiveness than permission: try the operation and catch the error. LBYL is look before you leap: check conditions first.

Which style should beginners use?

Either, as long as the check or the caught exception is specific. The real mistake is catching every exception and hiding problems.

Why not replace missing values with zero?

Because zero is a measurement and missing is not. In Wanneroo it would invent 23 empty weekends.

When can a child start Python?

Often around 9 or 10, after some block coding. The free lesson checks readiness.

How many traffic counters does Wanneroo have?

Main Roads lists 97 count sites on 34 roads in the City of Wanneroo, 74 of them with a weekend average.

Do you have a centre in Wanneroo?

No. Lessons are live online only, we have no Australian office, and our listed phone number is Indian.

What do Wanneroo classes cost?

The first lesson is free. Group classes cost USD 100 a month for two live lessons a week, about eight a month, in groups of fifteen to twenty, and one-to-one classes cost USD 150 a month. You agree the course and time before paying.

How are groups arranged?

By level and pace, fifteen to twenty learners, not by age or suburb. One-to-one lessons are available when no group time fits.

Can adults learn Python here?

Yes. Adults study in adult groups or privately, often to automate spreadsheets and reports.

More for Perth learners

Other pages to try

Families north of the city can also read the Perth Python and coding page, our state guide for Western Australia, and moving from Scratch to Python.

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