Restrictions

Do not import any modules other than math and check. You are always allowed to define your own helper$/$wrapper functions, as long as they meet the assignment restrictions. Do not use Python constructs from later modules $($e$.$g$.$ fstrings, dictionaries, loops $($for or while or others$),$ zip, functions with default parameters, sorted, anything with sets or enumerators and$/$or lists, ord, chr$,$ try and except$).$ Use only the functions, methods, operations, constants and keywords as follows:

abs$,$ len, max, and min $($however keyword parameters for these functions are not allowed$)$

Any method or constant in the math module

Any basic arithmetic or comparison operations

Any basic logical operators $($not$,$ and, or$)$

These typecasting operators: int$(),$ str$(),$ float$(),$ bool$(),$ and type$()$

if statements $($including elif and else$)$

String slicing and indexing as well as string operations using the operators above.

String methods: capitalize, count, endswith, find, index, isalnum, isalpha, isdecimal, isdigit, islower, isnumeric, isspace, istitle, isupper, lower, lstrip, replace, rfind, rindex, rstrip, startswith, strip, swapcase, title, upper, zfill

The operation in for strings.

input and print as well as the formatting parameter end and method format. Note that all prompts must match exactly in order to obtain marks so ensure that you do not alter these prompts.

Recursion