test function to call c methods

test_c_module.py

# load c library
cmodule = load_module()
# define source and target strings
source = "levenshtein"
target = "levenstein"
# define edition costs
insert_cost = 1
delete_cost = 1
replace_cost = 2
# call c function
res = cmodule.levenshtein(source.encode('utf-8'),  # encode the string into binary representation
                          target.encode('utf-8'),
                          np.int32(insert_cost),  #explicitly tells that we need a 32bits integer
                          np.int32(delete_cost),
                          np.int32(replace_cost))
print(f"Levenshtein distance between '{source}' and '{target}': {res}")
# prints "Levenshtein distance between 'levenshtein' and 'levenstein': 1"