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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def do_algebra(operator, operand):
    """ Given two lists operator, and operand. The first list has basic algebra operations, and the second list is a list of integers. Use the two given lists to build the algebric expression and return the evaluation of this expression. Addition ( + ) Subtraction ( - ) Floor division ( // ) array = [2, 3, 4, 5] The length of operator list is equal to the length of operand list minus one. Operand is a list of of non-negative integers. Operator list has at least one operator, and operand list has at least two operands. """
    expression = str(operand[0])
    for oprt, oprn in zip(operator, operand[1:]):
        expression+= oprt + str(oprn)
    return eval(expression)
