From fed6e946952c23ad3863f523969031199783bdab Mon Sep 17 00:00:00 2001
From: Daniel Moix <dwm69@drexel.edu>
Date: Tue, 15 Oct 2024 10:52:03 -0400
Subject: [PATCH] Week 4 lecture
---
cs171/lect04/hello.py | 7 +++++
cs171/lect04/immutable.py | 13 +++++++++
cs171/lect04/lect04.py | 59 +++++++++++++++++++++++++++++++++++++++
cs171/lect04/password.py | 33 ++++++++++++++++++++++
4 files changed, 112 insertions(+)
create mode 100644 cs171/lect04/immutable.py
create mode 100644 cs171/lect04/lect04.py
create mode 100644 cs171/lect04/password.py
diff --git a/cs171/lect04/hello.py b/cs171/lect04/hello.py
index 061448a..a4119ba 100644
--- a/cs171/lect04/hello.py
+++ b/cs171/lect04/hello.py
@@ -1 +1,8 @@
print("Hello CS 171")
+
+age = int(input("Enter your age"))
+while age > 21:
+ print("Hello?")
+ age = int(input("Enter your age"))
+
+print("Goodbye")
diff --git a/cs171/lect04/immutable.py b/cs171/lect04/immutable.py
new file mode 100644
index 0000000..da4e42d
--- /dev/null
+++ b/cs171/lect04/immutable.py
@@ -0,0 +1,13 @@
+
+#
+# name = "Professor"
+#
+# name = "&"
+#
+# print(name[0])
+
+num = 17
+dec = 3.14159265
+
+print(f"Your decimal number is {num:x}")
+
diff --git a/cs171/lect04/lect04.py b/cs171/lect04/lect04.py
new file mode 100644
index 0000000..c7db68c
--- /dev/null
+++ b/cs171/lect04/lect04.py
@@ -0,0 +1,59 @@
+# age = int(input("Enter your age: "))
+# if age >= 21 :
+# print("Line 3 executed.")
+# print("Line 4 also is conditional")
+# print("This is because of indentation")
+
+
+def weightToKg(pounds):
+ POUNDS_PER_KG = 0.453592
+ return pounds * POUNDS_PER_KG
+
+def heightToMeters(feet, inches):
+ INCHES_PER_FOOT = 12
+ INCHES_PER_METER = 0.0254
+ totalInches = inches + feet * INCHES_PER_FOOT
+ return totalInches * INCHES_PER_METER
+
+def calculateBMI(pounds, feet, inches):
+ kg = weightToKg(pounds)
+ meters = heightToMeters(feet, inches)
+ bmi = kg / (meters ** 2)
+ return bmi
+
+def weightStatus(bmi):
+ if bmi < 18.5:
+ return "Underweight"
+ elif bmi <= 24.9:
+ return "Normal Weight"
+ elif bmi <= 29.9:
+ return "Over Weight"
+ else:
+ return "Obese"
+
+def validateInput(prompt, lowBound, highBound):
+ validData = False
+ while not validData:
+ number = int(input(prompt))
+ if number >= lowBound and number <= highBound:
+ validData = True
+ else:
+ print("Input invalid. Please try again")
+ return number
+
+
+print("Welcome to BMI Calculator")
+
+weight = validateInput("Enter your weight in pounds: ", 0, 9999)
+heightFeet = validateInput("Enter your height (feet): ", 0, 10)
+heightInches = validateInput("Enter your height (inches): ", 0, 11)
+
+print("Entries were OK. We are clear to calculate.")
+kg = weightToKg(weight)
+print("Your weight in kg is", kg)
+meters = heightToMeters(heightFeet, heightInches)
+print("Your height in meters is", meters)
+bmi = calculateBMI(weight, heightFeet, heightInches)
+print("Your BMI is", bmi)
+status = weightStatus(bmi)
+print("In this case, the chart says you are", status)
\ No newline at end of file
diff --git a/cs171/lect04/password.py b/cs171/lect04/password.py
new file mode 100644
index 0000000..bafb016
--- /dev/null
+++ b/cs171/lect04/password.py
@@ -0,0 +1,33 @@
+def checkPassword(entry):
+ if len(entry) < 8:
+ return False
+
+ i = 0
+ digits = 0
+ lowers = 0
+ uppers = 0
+ special = 0
+ while i < len(entry):
+ ch = entry[i]
+
+ if ch.isdigit():
+ digits = digits + 1
+ elif ch.islower():
+ lowers = lowers + 1
+ elif ch.isupper():
+ uppers = uppers + 1
+ else:
+ special += 1
+
+ i = i + 1
+
+ if digits >= 1 and lowers >= 1 and uppers >= 1 and special >= 1:
+ return True
+ return False
+
+entry = input("Enter your password: ")
+result = checkPassword(entry)
+if result:
+ print("Password meets all requirements")
+else:
+ print("Password fails")
\ No newline at end of file
--
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