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【作品展示】

 

【作品介绍】

优化了一下

 

【作品源代码】

#encoding: utf-8
def p_e(e_type, e_content):
    if e_type == 'o':
        #运算符错误
        return 'OperatorsError:%s%s'%('\'%s\''%(e_content),'is not defined.')
    if e_type == 'd':
        #文件名未找到
        #No files named with hhh found
        return 'DocumentsError:%s%s%s'%('No files named with ','\'%s\''%(e_content),' found.')
    if e_type == 'f':
        #功能名待开发
        #The name is invalid,the function name 'HHH' is not currently defined
        return 'FunctionNameError:%s%s%s'%('The name is invalid,the function name ','\'%s\''%(e_content),' is not currently defined')
    if e_type == "ft":
        #算式错误
        #No unexpected "hhh"
        return 'FormatError:%s%s'%('No unexpected ','\'%s\''%(e_content))

print("Welcome to version 0.0.2 of 'Mathematical assistant'.\n", 'Function:\n', "    ·'help' : Prompts you for the input format of the topic.\n", "    ·'File read' : works out the answer to a given file's math problems. currently supports addition, subtraction, multiplication, division and multiplying the 喵.\n",'    ·\'Manual entry\' : Enter the topic manually.')
print('\ninput the function name:\n')
while True:
    pi = input(">>>")
    if pi == 'help' or pi == 'Help':
        print('Numbers: Supports two integers or floating point numbers.\nOperators: currently supports \'+\' or \'-\' or \'/\' or \'*\' or \'^\', one is possible.Each question is separated by 1 space.\n')
    elif pi == 'File read' or pi == 'file read':
        fn = input('>>>    Input file name:')
        try:
            with open('%s.txt'%(str(fn)),'r') as f:
                frr = f.read()
                print('math examination questions:',frr)
        except OSError:
            print(p_e('d',fn))
        mn = ''
        mr = 0
        mr_all = []
        for i in range(len(frr)):
            #print(frr[i] == '+',mr == 0)
            if frr[i] == '=':
                if mn == '' and mr == 0:
                    print(p_e('f',frr[i]))
                    break
                if not(mn == ''):
                    try:
                        mr = eval(mn)
                    except SyntaxError:
                        print(p_e('ft','mn'))
                        break
                    except NameError:
                        print(p_e('ft','mn'))
                        break
                    mr_all.append(mr)
                    mn = ''
                    mr = 0
            elif frr[i] == ',':
                mn = 0
                mr = ''
            elif frr[i] == '^':
                mn = mn + str('**')
            else:
                mn = mn + str(frr[i])

        print('mvmvmb')
        ic = input('Select output style (write to file or print on terminal)') 
        if ic == 'write to file':
            wf_mr = ''
            wf_num = 0
            for i in frr:
                wf_mr += i
                if i == '=':
                    wf_mr += mr_all[wf_num]
                    wf_num += 1

            with open(str(input('Please input the file name.')),'w') as wfp:
                wfp.write(wf_mr)
        if ic == 'print on terminal':     
            print('solution:',mr_all)
        
    elif pi == 'Manual entry' or pi == 'manual entry':
        num = input('    Input the examination questions')
        try:
            print('solution:',eval(str(num)))
        except NameError:
            print(p_e('ft','num'))
        except SyntaxError:
            print(p_e('ft','num'))
        except TypeError:
            print(p_e('ft','num'))
    else:
        print(p_e('f',pi))

 

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