Solved task 1 to 10, missing final exercise

exercise/1. Introduction Julia/Julia Intro - exercise.jl

@@ -1,5 +1,5 @@
 ### A Pluto.jl notebook ###
-# v0.19.12
+# v0.19.14
 
 using Markdown
 using InteractiveUtils
@@ -70,7 +70,7 @@ md"
 "
 
 # ╔═╡ b5fff126-6215-11eb-1018-bd2e4f638f65
-n = missing
+n = 10
 
 # ╔═╡ 3249157e-6267-11eb-3dca-8949d7c0e3c9
 md"
@@ -82,7 +82,7 @@ Unicode characters can be entered using the tab completion of $\mathrm{\LaTeX}$-
 "
 
 # ╔═╡ ce1d05da-6267-11eb-136c-23c5c54a1559
-😱 = 3
+α = 3
 
 # ╔═╡ 1695a810-6268-11eb-3932-fb8885097f70
 md"""
@@ -118,7 +118,7 @@ md"
 "
 
 # ╔═╡ d285737a-662f-11eb-390e-1d1e2437de71
-a2 = missing
+a2 = 2^8
 
 # ╔═╡ 5d04cbea-6630-11eb-3bee-c182aa912653
 md"
@@ -130,7 +130,7 @@ When an expression contains more than one operator, the order of evaluation depe
 "
 
 # ╔═╡ 0ae0cf56-6632-11eb-262a-191ea74ec517
-a3 = missing
+a3 = 2^(4+4)
 
 # ╔═╡ 0fe8c31e-663a-11eb-1acb-17d3d7615e64
 md"""
@@ -155,7 +155,7 @@ md"
 
 # ╔═╡ 8d509116-663b-11eb-0e98-dd27598740fe
 function double(x)
-	return missing
+	return 2 * x
 end
 
 # ╔═╡ 06c9bcec-663d-11eb-3062-85c0983a79eb
@@ -173,7 +173,7 @@ Read the julia documentation on [Conditional Evaluation](https://docs.julialang.
 
 # ╔═╡ 9fd96950-6651-11eb-25f7-c964ab504b4a
 function heaviside(x)
-	return missing
+	return x < 0 ? 0 : 1
 end
 
 # ╔═╡ 34824462-6654-11eb-2b38-19d14aa309af
@@ -191,7 +191,11 @@ A prime number is only evenly divisible by itself and 1.
 
 # ╔═╡ 6895356c-6655-11eb-3849-b3fa387df754
 function isprime(x)
-	return missing
+	if x < 2 return false end
+	for i in 2:trunc(Int, sqrt(x))
+        if x % i == 0 return false end
+    end
+	return true
 end
 
 # ╔═╡ 9687bc24-666c-11eb-3b1e-edb5c448bad8
@@ -226,7 +230,7 @@ Take a look into the documentation and assign an 8-bit unsigned integer of any v
 """
 
 # ╔═╡ fb73ea0c-66d7-11eb-001c-23033aee228a
-m = missing
+m = UInt8(4)
 
 # ╔═╡ 2b99da2c-666d-11eb-1c64-337654a9d8f2
 md"""
@@ -248,7 +252,7 @@ md"""
 
 # ╔═╡ 66c4f3fc-66db-11eb-0927-ebe1d40eeb3b
 function sumup(n)
-	return missing
+	return sum(1:n)
 end
 
 # ╔═╡ 575d9e52-6468-11eb-2f95-63cd3920f91a
@@ -270,7 +274,7 @@ md"""
 """
 
 # ╔═╡ 055baa32-66e7-11eb-20fc-575565bda51b
-v = missing
+v = collect(1:10)
 
 # ╔═╡ 91c222ea-66e6-11eb-28ce-c1f1424525c8
 md"""
@@ -289,7 +293,7 @@ md"""
 """
 
 # ╔═╡ d8f306ca-66e9-11eb-3728-156d0328250b
-w = missing
+w = [2*i for i in 1:500]
 
 # ╔═╡ 673cc322-666e-11eb-107f-2b9bd6826ad5
 md"""
@@ -313,7 +317,7 @@ md"""
 """
 
 # ╔═╡ a87e36c4-66eb-11eb-223e-a1b077dca672
-B = missing
+B = A./π
 
 # ╔═╡ 0aa99f86-6f97-11eb-2141-2d35c3e0857d
 md"""
@@ -1651,7 +1655,7 @@ version = "1.4.1+0"
 # ╔═╡ Cell order:
 # ╟─349d7534-6212-11eb-2bc5-db5be39b6bb6
 # ╠═96ec00fc-6f14-11eb-329e-19e4835643db
-# ╠═6abc4d6a-da75-42bf-a62a-b98bb69585aa
+# ╟─6abc4d6a-da75-42bf-a62a-b98bb69585aa
 # ╟─237ef27e-6266-11eb-3cf4-1b2223eabfd9
 # ╠═6c060eec-6266-11eb-0b23-e5be08d78823
 # ╟─830c9ed0-6266-11eb-27ba-07773c842fed