mapping_err

No overview available.

def mapping_err(
    key: any
) - > string

Generates a formatted error message for mapping failures, indicating which specific key or index could not be resolved within a data structure.

Parameters

Name	Type	Description
key	any	The specific dictionary key or list index that failed to be mapped or retrieved.

Returns

Type	Description
string	A descriptive error string containing the problematic key and the context of the mapping failure.