v0.40: Create exercises. Challenge the community.

convert_base_digits

Your mission

Implement convert_base_digits, a base conversion helper for non-negative integers.

See it in action

convert_base_digits("1101", 2, 10)

Expected result

"13"

Your checklist

For your own tracking. Tests grade your code.

Create base_transcode.py.
Expose def convert_base_digits(number: str, source_base: int, target_base: int) -> str:.
Accept bases from 2 through 36 included.
Digits 0 through 9 and letters A through Z represent values up to 35.
Input letters may be uppercase or lowercase.
Return uppercase letters in the converted result.
Return the string invalid when either base is outside the allowed range, when number is empty, or when a digit cannot exist in source_base.

More examples

convert_base_digits("7b", 16, 10)

Expected result

"123"

Constraints

Expected files

base_transcode.py

Allowed functions

None. Write every helper yourself.

convert_base_digits

Your mission

Implement convert_base_digits, a base conversion helper for non-negative integers.

See it in action

convert_base_digits("1101", 2, 10)

Expected result

"13"

Your checklist

For your own tracking. Tests grade your code.

Create base_transcode.py.
Expose def convert_base_digits(number: str, source_base: int, target_base: int) -> str:.
Accept bases from 2 through 36 included.
Digits 0 through 9 and letters A through Z represent values up to 35.
Input letters may be uppercase or lowercase.
Return uppercase letters in the converted result.
Return the string invalid when either base is outside the allowed range, when number is empty, or when a digit cannot exist in source_base.

More examples

convert_base_digits("7b", 16, 10)

Expected result

"123"

Constraints

Expected files

base_transcode.py

Allowed functions

None. Write every helper yourself.

Tests

Run the tests to grade your code

Build your code, then check each test here. Open a result to inspect its output.

Build

01Binary to decimalWaiting

02Lowercase hexadecimal inputWaiting

03Decimal to uppercase hexadecimalWaiting

04Base 36 digitWaiting

05Zero remains zeroWaiting

06Digit too large for source baseWaiting

07Invalid source baseWaiting

08Empty number stringWaiting

convert_base_digits

Your mission

Implement convert_base_digits, a base conversion helper for non-negative integers.

See it in action

convert_base_digits("1101", 2, 10)

Expected result

"13"

Your checklist

For your own tracking. Tests grade your code.

Create base_transcode.py.
Expose def convert_base_digits(number: str, source_base: int, target_base: int) -> str:.
Accept bases from 2 through 36 included.
Digits 0 through 9 and letters A through Z represent values up to 35.
Input letters may be uppercase or lowercase.
Return uppercase letters in the converted result.
Return the string invalid when either base is outside the allowed range, when number is empty, or when a digit cannot exist in source_base.

More examples

convert_base_digits("7b", 16, 10)

Expected result

"123"

Constraints

Expected files

base_transcode.py

Allowed functions

None. Write every helper yourself.

convert_base_digits

Your mission

Implement convert_base_digits, a base conversion helper for non-negative integers.

See it in action

convert_base_digits("1101", 2, 10)

Expected result

"13"

Your checklist

For your own tracking. Tests grade your code.

Create base_transcode.py.
Expose def convert_base_digits(number: str, source_base: int, target_base: int) -> str:.
Accept bases from 2 through 36 included.
Digits 0 through 9 and letters A through Z represent values up to 35.
Input letters may be uppercase or lowercase.
Return uppercase letters in the converted result.
Return the string invalid when either base is outside the allowed range, when number is empty, or when a digit cannot exist in source_base.

More examples

convert_base_digits("7b", 16, 10)

Expected result

"123"

Constraints

Expected files

base_transcode.py

Allowed functions

None. Write every helper yourself.

Tests

Run the tests to grade your code

Build your code, then check each test here. Open a result to inspect its output.

Build

01Binary to decimalWaiting

02Lowercase hexadecimal inputWaiting

03Decimal to uppercase hexadecimalWaiting

04Base 36 digitWaiting

05Zero remains zeroWaiting

06Digit too large for source baseWaiting

07Invalid source baseWaiting

08Empty number stringWaiting

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