A simple script that uses .eval() function to evaluate an expression containing boolean values.

boolean_evaluator.py

'''

Logic expression evaluation.

Examples:
1) a and b or c
2) a and (c or (c and d and e))
3) ((b and c) and c) or a

'''

# to replace, eq: and -> &
connector = {'and':'&', 'or':'|'}

print('')
expr = input("Enter your expression: ")

expr = expr.replace(' ', '')
for k,v in connector.items():
    expr = expr.replace(k,v)

# replace &,|,(,) dengan comma ,
split = ['&', '|', '(', ')']
expr_copy = expr[:]
for s in split:
    expr_copy = expr_copy.replace(s, ',')

# cari semua single vars
var = []
for c in expr_copy.split(','):
    if c.isalpha():
        if c not in var:
            var.append(c)

print("List of variables : ", end='')
print(var)
print('')

# possible input 2^n
n = 2**len(var)

for i in range(n):

    # https://stackoverflow.com/questions/699866/python-int-to-binary
    binary = "{0:b}".format(i)

    # padding zero
    binary = binary.zfill(len(var))

    new_expr = expr[:]
    for i,v in enumerate(var):
        new_expr = new_expr.replace(var[i], binary[i])

    # convert back to original expression
    for k,v in connector.items():
        new_expr = new_expr.replace(v, ' {} '.format(k))

    output = eval(new_expr)
    output = int(output)

    print("Evaluate ({}) => {}".format(new_expr, output))