diff --git a/README.md b/README.md
index f08a35e..5735615 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,13 @@
 # aplus
 
-aplus cli
\ No newline at end of file
+aplus cli
+
+# Usage
+
+# Launch interactive prompt
+aplus
+
+# Enter code immediately
+aplus -c <code>
+aplus --code <code>
+
diff --git a/aplus.go b/aplus.go
index ae5e054..3f3640b 100644
--- a/aplus.go
+++ b/aplus.go
@@ -75,3 +75,31 @@ func extract_attribute(input string, attribute string) string {
 
 	return input[start : start+end]
 }
+
+func launch_aplus(course_code int) {
+	aplus_link := fmt.Sprintf("%s/courses/%d/external_tools/sessionless_launch?id=913&access_token=%s", base_link, course_code, token) // 7329 always works
+	aplus := get_aplus(token, aplus_link, client)
+
+	resp, err := client.Get(aplus)
+
+	if err != nil {
+		fmt.Println("Error while performing GET request to aplus auth link.")
+	}
+
+	defer resp.Body.Close()
+	body, _ := io.ReadAll(resp.Body)
+
+	form_str := get_form_from_request_body(body)
+
+	form_values := parse_form(form_str)
+
+	resp, _ = client.PostForm("https://floridapoly.aplusattendance.com/canvas", form_values)
+
+	body, err = io.ReadAll(resp.Body)
+
+	if err != nil {
+		fmt.Println("Error reading body of post form response from aplus attendance.")
+	}
+
+	fmt.Println(string(body))
+}
diff --git a/canvas.go b/canvas.go
index 33c7f6b..3aa8050 100644
--- a/canvas.go
+++ b/canvas.go
@@ -5,18 +5,35 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"net/http/cookiejar"
 	"os"
+
+	"golang.org/x/net/publicsuffix"
 )
 
 func initialize() {
 	base_link = "https://floridapolytechnic.instructure.com/api/v1"
 	token = os.Getenv("CANVAS_API_KEY")
+
+	jar, _ := cookiejar.New(&cookiejar.Options{
+		PublicSuffixList: publicsuffix.List,
+	})
+
+	client = http.Client{
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			fmt.Println("Redirected to:", req.URL)
+			fmt.Println(req.Cookies())
+			return nil
+		},
+		Jar: jar,
+	}
 }
 
 func get_courses(token string, link string, client http.Client) []CanvasCourse {
 	resp, err := client.Get(link)
 	if err != nil {
 		fmt.Println("Error performing GET request to get courses.")
+		return nil
 	}
 	defer resp.Body.Close()
 	body, _ := io.ReadAll(resp.Body)
diff --git a/main.go b/main.go
index 473b027..8f669e1 100644
--- a/main.go
+++ b/main.go
@@ -1,86 +1,19 @@
 package main
 
 import (
-	"fmt"
-	"io"
 	"net/http"
-	"net/http/cookiejar"
-	"strings"
-
-	"golang.org/x/net/publicsuffix"
 )
 
 var base_link string
 var token string
+var client http.Client
 
 func main() {
-
-	jar, _ := cookiejar.New(&cookiejar.Options{
-		PublicSuffixList: publicsuffix.List,
-	})
-
-	client := http.Client{
-		CheckRedirect: func(req *http.Request, via []*http.Request) error {
-			fmt.Println("Redirected to:", req.URL)
-			fmt.Println(req.Cookies())
-			return nil
-		},
-		Jar: jar,
-	}
-
 	initialize()
 
 	// select_course()
+	course_code := 7329
+	launch_aplus(course_code)
 
-	aplus_link := fmt.Sprintf("%s/courses/%d/external_tools/sessionless_launch?id=913&access_token=%s", base_link, 7329, token) // 7329 always works
-	aplus := get_aplus(token, aplus_link, client)
-	fmt.Println(aplus)
-	resp, err := client.Get(aplus)
-
-	if err != nil {
-		fmt.Println("Error while performing GET request to aplus auth link.")
-	}
-
-	defer resp.Body.Close()
-	body, _ := io.ReadAll(resp.Body)
-
-	form_str := get_form_from_request_body(body)
-	fmt.Println(form_str)
-
-	form_values := parse_form(form_str)
-
-	fmt.Println("Form Values:")
-	for key, values := range form_values {
-		fmt.Printf("%s: %s\n", key, values)
-	}
-
-	//req, _ := client.PostForm("https://floridapoly.aplusattendance.com/canvas", form_values)
-	req, _ := http.NewRequest(http.MethodPost, "https://floridapoly.aplusattendance.com/canvas", strings.NewReader(form_values.Encode()))
-	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
-	req.Header.Set("Access-Control-Allow-Origin", "*")
-	req.Header.Set("Access-Control-Allow-Credentials", "true")
-	req.Header.Set("Access-Control-Allow-Headers", "Content-Type,access-control-allow-origin, access-control-allow-headers,access-control-allow-credentials")
-
-	resp, err = client.Do(req)
-
-	if err != nil {
-		fmt.Println("Error posting form to Aplus Attendance.")
-	}
-
-	body, err = io.ReadAll(resp.Body)
-
-	if err != nil {
-		fmt.Println("Error reading body of post form response from aplus attendance.")
-	}
-
-	fmt.Println(string(body))
-	//fmt.Println(resp)
-	fmt.Println(resp.Header)
-	fmt.Println(resp.Cookies())
-	// we need to submit the above post request correctly in order to submit this request.
-	//resp, _ = client.Get("https://floridapoly.aplusattendance.com/canvas/student/?canvasCourse=7329&amp;doStudentAuth=truee")
-	//body, _ = io.ReadAll(resp.Body)
-
-	//fmt.Println(string(body))
-	//fmt.Println(req)
+	// enter_code()
 }