HTML

<template>
    
    <lightning-card icon-name="custom:custom19" title='Credit card information uplaod'>
            <div class="slds-m-around_medium">
                    <lightning-layout-item size="6" padding="around-medium"> 

        <lightning-input type="number" name="Importid"  required label="Importid"  value={impnum} 
        onclick={handlechange} style="width:200px" >
            </lightning-input>
           </lightning-layout-item>

           <lightning-layout-item size="6" padding="around-medium"> 
            <template if:true={Programvalues.data}>
                <lightning-combobox
                name="Program"
                label="Program value"
                value={Programvalue}
                placeholder="-Select-"
                options={Programvalues.data.values}
                onchange={handleselect} style="width:200px"></lightning-combobox>
            </template>
        </lightning-layout-item>
          
        <lightning-layout-item size="6" padding="around-medium"> 

            <template if:true={AXvalues.data}>
                <lightning-combobox name="AXPvalue"
                label="AxPID"
                value={Axvalue}
                placeholder="-Select-"
                options={AXvalues.data.values}
                onchange={handleselect}  style="width:200px" ></lightning-combobox>
            </template>
        </lightning-layout-item>
         </div>
        

</lightning-card>
</template>

JS:
import { LightningElement,wire,api } from 'lwc';
import { getPicklistValues } from 'lightning/uiObjectInfoApi';
//import { getObjectInfo } from 'lightning/uiObjectInfoApi';
//import CREDITCARD_OBJECT from '@salesforce/schema/Credit_card__c';
import PROGRAMM_Field from '@salesforce/schema/Credit_card__c.Choose_Program_Reason__c';
import AXPID_Field from '@salesforce/schema/Credit_card__c.AX_PID__c';
//import {ShowToastEvent} from 'lightning/platformShowToastEvent';

//import insertdata from '@salesforce/apex/importdata.readCSVFileInsertMember';


export default class Uploadfilewithinput extends LightningElement {

    impnum ="";
    @api Programvalue="";
    @api AXvalue="";
   // @track success;
   // @track failure;
    //@api recordId;

  handlechange(event){

        this.impnum=event.target.value;

    }

   // @wire(getObjectInfo, { objectApiName: CREDITCARD_OBJECT })
   // objectInfo; 
    @wire(getPicklistValues, { recordTypeId: '$objectInfo.data.defaultRecordTypeId', fieldApiName:PROGRAMM_Field})
    Programvalues;
       @wire(getPicklistValues, { recordTypeId: '$objectInfo.data.defaultRecordTypeId', fieldApiName: AXPID_Field})
    AXvalues;

    handleselect(event){
      
       if(this.event.name ==='Program'){
           this.Programvalue=event.target.value;
       }
       if(this.event.name === 'AXPvalue'){
            this.AXvalue=event.target.value;
         }
}

}