Can You Find and Fix This Bug?

5-minute practice to sharpen your skills

Issue #2 of the Bugbash challenge is out! This time, there are 6 bugs to fix, available in 12 languages. Below is the Python version of the qualification challenge. Can you spot the mistake and patch it up?

def balanced_parentheses(self, str):
    count = 0
    for ch in str:
        if ch == '(':
            count += 1
        elif ch == ')':
            count -= 1
    return count == 0

Put your debugging hat on and test your fix—along with 5 other bugs—right here:
Bugbash Issue #2

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Happy Bug Fixing!
Nurbo