diff --git a/homework PROGA/pe_5_1.py b/homework PROGA/pe_5_1.py
new file mode 100644
index 0000000..4cc8269
--- /dev/null
+++ b/homework PROGA/pe_5_1.py	
@@ -0,0 +1,5 @@
+def som(getal1, getal2, getal3):
+	ret = getal1+getal2+getal3
+	return int(ret)
+
+print(som(3,5,2))
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diff --git a/homework PROGA/pe_5_2.py b/homework PROGA/pe_5_2.py
new file mode 100644
index 0000000..938049a
--- /dev/null
+++ b/homework PROGA/pe_5_2.py	
@@ -0,0 +1,5 @@
+def som(getallenLijst):
+	ret = sum(getallenLijst)
+	return ret
+
+print(som([4,1,3]))
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diff --git a/homework PROGA/pe_5_3.py b/homework PROGA/pe_5_3.py
new file mode 100644
index 0000000..580db81
--- /dev/null
+++ b/homework PROGA/pe_5_3.py	
@@ -0,0 +1,9 @@
+def lang_genoeg(lengte):
+	if lengte >= 120:
+		print('Je bent lang genoeg')
+	else:
+		print('Je bent NIET lang genoeg')
+
+
+lang_genoeg(120)
+lang_genoeg(119)
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diff --git a/homework PROGA/pe_5_4.py b/homework PROGA/pe_5_4.py
new file mode 100644
index 0000000..d43db71
--- /dev/null
+++ b/homework PROGA/pe_5_4.py	
@@ -0,0 +1,29 @@
+def new_password(oldpassword, newpassword):
+	#checkt of hetzelfde is
+	if newpassword != oldpassword:
+		#check of lengte klopt
+		if len(newpassword) >= 6:
+			#check of newpassword minimaal 1 cijfer bevat
+			if not any(c.isdigit() for c in newpassword):
+				return False
+			else:
+				return True
+		#anders false
+		else:
+			return False
+	#anders false
+	else:
+		return False
+
+
+#voldoet eisen
+print(new_password('test', 'testing2'))
+
+#wachtwoord is hetzelfde
+print(new_password('testing', 'testing'))
+
+#wachtwoord is niet lang genoeg
+print(new_password('testing', 'test'))
+
+#wachtwoord heeft geen cijfer
+print(new_password('test','testing'))
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diff --git a/homework PROGA/pe_5_5.py b/homework PROGA/pe_5_5.py
new file mode 100644
index 0000000..4d63133
--- /dev/null
+++ b/homework PROGA/pe_5_5.py	
@@ -0,0 +1,20 @@
+def kwadraten_som(grondgetallen):
+
+	# define empty list
+	uitkomst = []
+
+	# for loop removes negative numbers from list
+	for i in grondgetallen:
+		if i <= 0:
+			grondgetallen.remove(i)
+
+	# for every positive number, append to empty list
+	for i in grondgetallen:
+		kwadraat = i**2
+		uitkomst.append(kwadraat)
+
+	# return sum of uitkomst list
+	return sum(uitkomst)
+
+# test
+print(kwadraten_som([4, 3, -5]))
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