Started Rectangle Project

homework06/functions/functions01.py

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+# Simple function examples
+
+#No input parameters
+def myFunction1():
+    print("You are in myFunction1")
+
+
+# Two input patrameters
+def myFunction2(x,y):
+    print("You are in myFunction2")
+    print("x = ",x)
+    print("y = ",y)
+    return(x + y)
+
+# Two input parameters with predefined valiues.
+# Provide one or no parameters. If not specified the default values will be used.
+def myFunction3(x = 2,y = 3):
+    print("You are in myFunction3")
+    print("x = ",x)
+    print("y = ",y)
+    return(x + y)
+
+# ======================== Main Program =============================
+
+myFunction1()
+
+retValue = myFunction2(3,4)
+print(retValue)
+
+retValue = myFunction2(5,6)
+print(retValue)
+
+# This generates an error
+#retValue = myFunction2(4)
+#print(retValue)
+
+retValue = myFunction3(3,4)
+print(retValue)
+
+retValue = myFunction3(5)
+print(retValue)
+
+# This does not generate an error
+retValue = myFunction3()
+print(retValue)

homework06/functions/functions02.py

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+# list as an input parameter
+def myFunction4(listParameter):
+    for listItem in listParameter:
+        print("\tlistParameter item: ",listItem)
+    myList = listParameter
+    myList.sort()
+    return( myList )  # Return a list
+
+# ======================== Main Program =============================
+
+fruits = ['Mango','Banana','Cherry', 'Apples']
+print("\n Starting list: ",fruits)
+print("\n")
+
+sortedFruits = myFunction4(fruits)
+print("\n Returned list: ",sortedFruits)

homework06/functions/functions03.py

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+def updatePerson(personDict):
+    myPerson = personDict
+
+    emailAddress = input("Enter your email address: ")
+    phoneNumber  = input("Enter your phone number:  ")
+    myPerson['email'] = emailAddress
+    myPerson['phone'] = phoneNumber
+
+    return myPerson
+
+import pprint
+
+person = {'Name': 'Zara', 'Age': 7, 'Class': 'First','Color':'Green'}
+
+pp = pprint.PrettyPrinter(indent=4)
+pp.pprint(person)
+print("\n")
+
+for key in person.keys():
+    print(f" {key:12}  {person[key]} ")
+
+person2 = updatePerson(person)
+for key in person2.keys():
+    print(f" {key:12}  {person2[key]} ")
+

homework06/functions/functions04.py

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+# Simple function examples
+
+def rectanglePerimeter(rLength,rWidth):
+    '''
+    rLength: length of the rectangle.
+
+    rWidth: width of the rectangle.
+
+    Returns the perimeter of the rectangle.'''
+    perimeter = 2 * (rLength + rWidth)
+    return(perimeter)
+
+def rectangleArea(rLength,rWidth):
+    area = rLength * rWidth
+    return(area)
+
+def squarePerimeter(rLength):
+    perimeter = rectanglePerimeter(rLength,rLength)
+    return(perimeter)
+
+def  squareArea(rLength):
+    area = rectangleArea(rLength,rLength)
+    return(area)
+
+# ======================== Main Program =============================
+
+length = 2.
+width = 3.
+
+retValue = rectanglePerimeter(length,width)
+print(retValue)
+
+retValue = rectangleArea(length,width)
+print(retValue)
+
+retValue = squarePerimeter(length)
+print(retValue)
+
+retValue = squareArea(length)
+print(retValue)