diff --git a/00-dev-environment/answers.md b/00-dev-environment/answers.md
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+# This file holds all answers and reference to scripts for module 00
+
+## Exercise 0.1.1: MFA Script
+
+- The script "creds.sh" helps reduce the manual effort of gathering and assigning of the temporary AWS MFA credentials
+
+- All you need to do is run the script like this below:
+  - ./creds.sh -e <profile_name> -t <token-code>
diff --git a/00-dev-environment/creds.sh b/00-dev-environment/creds.sh
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+#!/bin/bash
+# inputs needed - environment (ENV) and code (TOKEN)
+echo $@
+POSITIONAL=()
+while [[ $# -gt 0 ]]
+do
+key="$1"
+
+case $key in
+    -e|--env)
+    ENV="$2"
+    shift # past argument
+    shift # past value
+    ;;
+    -t|--token)
+    TOKEN="$2"
+    shift # past argument
+    shift # past value
+    ;;
+    *)    # unknown option
+    POSITIONAL+=("$1") # save it in an array for later
+    shift # past argument
+    ;;
+esac
+done
+set -- "${POSITIONAL[@]}" # restore positional parameters
+
+if [ "${ENV}" = "lab" ]; then
+  SERIAL='arn:aws:iam::324320755747:mfa/fidelis.ogunsanmi.labs'
+fi
+
+echo "Configuring $ENV with token $TOKEN"
+CREDJSON="$(aws sts get-session-token --serial-number $SERIAL --profile $ENV --token-code $TOKEN)"
+
+ACCESSKEY="$(echo $CREDJSON | jq '.Credentials.AccessKeyId' | sed 's/"//g')"
+SECRETKEY="$(echo $CREDJSON | jq '.Credentials.SecretAccessKey' | sed 's/"//g')"
+SESSIONTOKEN="$(echo $CREDJSON | jq '.Credentials.SessionToken' | sed 's/"//g')"
+PROFILENAME="$ENV"mfa
+
+# echo "Profile $PROFILENAME AccessKey $ACCESSKEY SecretKey $SECRETKEY"
+# echo "SessionToken $SESSIONTOKEN"
+
+aws configure set aws_access_key_id $ACCESSKEY --profile $PROFILENAME
+aws configure set aws_secret_access_key $SECRETKEY --profile $PROFILENAME
+aws configure set aws_session_token $SESSIONTOKEN --profile $PROFILENAME
+