Editor

Most Common Character

Beginner · Write the code · from 50 Python Practice Problems with Instant Answer Checking (Beginner to Advanced)

From the lesson: 50 Python Practice Problems with Instant Answer Checking (Beginner to Advanced)

Fifty problems, each with a code editor and real tests. Write your solution, press Check, and see exactly which cases pass. Stuck? Hints reveal one at a time, and the solution unlocks once you have checked at least once. Your code and progress are saved in this browser.

Read the lesson

Write most_common_char(text) that returns the character that appears most often, ignoring spaces and case. If there is a tie, return the one that appears first in the text.

most_common_char("Mississippi")  ->  "i"
def most_common_char(text):
pass
Solution unlocks after your first Check

What Check runs

Your code runs first, then each of these lines. The output must match exactly.

RunsExpected output
most_common_char("Mississippi")'i'
most_common_char("Hello World")'l'

More practice problems

All Python exercises · 50 practice problems