Level 2Exercise #47

Password rule summary

Require 8+ characters, with at least one digit and one uppercase letter, and no whitespace.

What you’ll practice

This Level 2 exercise focuses on any + all in the Built-ins curriculum. Solve the challenge prompt above using clear, idiomatic Python and the relevant language or standard-library tools.

Relevant Python reference: any(), all().

Sample Test Cases

Example #1

Input:valid_password('Agentic7')

Output:True

Reference Solution

Reveal Reference Solution

def valid_password(text: str) -> bool:
    return len(text) >= 8 and any(ch.isdigit() for ch in text) and any(ch.isupper() for ch in text) and all(not ch.isspace() for ch in text)

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Password rule summary

What you’ll practice

Sample Test Cases

Further Reading

Reference Solution