mapping.py

import json

test_list = ['2024', '01', '23', '']
keys = list(range(len(test_list)))
keys_2 = list(range(len(test_list) - 1)) 

# 1
try:
    print(json.dumps(
        dict(zip(
            keys,
            map(int, test_list)
        )),
        indent=4
    ))
except ValueError as e:
    print("Error: " + str(e))

# 2
print(json.dumps(
    dict(zip(
        keys_2,
        map(int,test_list)
    ))
    , indent=4
))

# 3
print(json.dumps(
    dict(zip(
        keys,
        map(int, [value for i, value in enumerate(test_list) if value])
    ))
    , indent=4
))

# 4
x = {}
for i, value in enumerate(test_list):
    if value: x[i] = int(value)

print(json.dumps(x, indent=4))

mapping_v2.py

import json

def convert_list_to_dict(keys, values):
    """Convert a list of values to a dictionary using specified keys."""
    return dict(zip(keys, values))

def main():
    """Main function to execute the conversion and output."""
    test_list = ['2024', '01', '23', '']
    keys = list(range(len(test_list)))
    keys_2 = list(range(len(test_list) - 1))

    # 1. Attempt to convert the list to a dictionary with integer values
    try:
        result_1 = convert_list_to_dict(
            keys,
            map(int, test_list)
        )
        print(json.dumps(result_1, indent=4))
    except ValueError as e:
        print(f"Error: {e}")

    # 2. Attempt with reduced number of keys
    try:
        result_2 = convert_list_to_dict(
            keys_2,
            map(int, test_list)
        )
        print(json.dumps(result_2, indent=4))
    except ValueError as e:
        print(f"Error: {e}")

    # 3. Filter out empty strings before converting
    try:
        result_3 = convert_list_to_dict(
            keys,
            map(int, [value for value in test_list if value])
        )
        print(json.dumps(result_3, indent=4))
    except ValueError as e:
        print(f"Error: {e}")

    # 4. Use a loop to build the dictionary, filtering out empty values
    result_4 = {}
    for i, value in enumerate(test_list):
        if value:
            result_4[i] = int(value)
    print(json.dumps(result_4, indent=4))

if __name__ == "__main__":
    main()