Difference between revisions of "CSC111 Homework 2 Solutions 2014"

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(Created page with "--~~~~ ---- =Problem #1= <br /> <source lang="python"> #hw2a.py #Zoey Jingyi Sun (ch) #Yipeng Lai (bq) #Solution Program for Problem#1 in Homework#2 # #This program is to br...")
 
 
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</source>
 
</source>
 
<br />
 
<br />
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=Problem #2=
 +
<br />
 +
<source lang="python">
 +
#hw2b.py
 +
#Zoey Jingyi Sun (ch)
 +
#Yipeng Lai (bq)
 +
#Solution Program for Problem#2 in Homework#2
 +
#
 +
#This program is to calculate the total balance of an investment growing at
 +
#a fixed interest rate over ten years
 +
#---------------------------------------------------------------------------
 +
 +
#Get user input
 +
initial= float(input("Please enter the initial balance                  :"))
 +
intRate= float(input("Please enter the interest rate (enter 0.03 for 3%):"))
 +
print()
 +
print("Table for an investment of $ %.2f"%initial,"at a rate of %.1f%%"%(intRate*100))
 +
 +
#Calculate the balance after 1 year
 +
balance=initial*(1+intRate)
 +
print("Balance after 1 year:  $%.2f"%balance)
 +
 +
#Calculate the balance after 2 year
 +
balance=balance*(1+intRate)
 +
print("Balance after 2 year:  $%.2f"%balance)
 +
 +
#Calculate the balance after 3 year
 +
balance=balance*(1+intRate)
 +
print("Balance after 3 year:  $%.2f"%balance)
 +
 +
#Calculate the balance after 4 year
 +
balance=balance*(1+intRate)
 +
print("Balance after 4 year:  $%.2f"%balance)
 +
 +
#Calculate the balance after 5 year
 +
balance=balance*(1+intRate)
 +
print("Balance after 5 year:  $%.2f"%balance)
 +
 +
#Calculate the balance after 6 year
 +
balance=balance*(1+intRate)
 +
print("Balance after 6 year:  $%.2f"%balance)
 +
 +
#Calculate the balance after 7 year
 +
balance=balance*(1+intRate)
 +
print("Balance after 7 year:  $%.2f"%balance)
 +
 +
#Calculate the balance for 8 year
 +
balance=balance*(1+intRate)
 +
print("Balance after 8 year:  $%.2f"%balance)
 +
 +
#Calculate the balance for 9 year
 +
balance=balance*(1+intRate)
 +
print("Balance after 9 year:  $%.2f"%balance)
 +
 +
#Calculate the balance for 10 year
 +
balance=balance*(1+intRate)
 +
print("Balance after 10 years: $%.2f"%balance)</source>
 +
</source>
 +
<br />
 +
=Problem 3=
 +
<br />
 +
<source lang="python">
 +
# hw2c.py
 +
# Sarah Sutto-Plunz (bu)
 +
# Kathleen McLaughlin (aj)
 +
# (Edited by D. Thiebaut)
 +
# 2/12/14
 +
# These programs output various boxes around lists of dwarfnames.
 +
#--------------------------------------------------------------
 +
 +
#homework 1a redone
 +
list = [ "Sleepy", "Sneezy", "Bashful", "Happy", "Grumpy", "Dopey", "Doc"]
 +
for dwarfNames in list:
 +
    line = "%-18s" % (dwarfNames)
 +
    length = 20
 +
    print( "+" + "-" * ( length ) + "+" )
 +
    print( "| " + line + " |" )
 +
    print( "+" + "-" * ( length ) + "+" )
 +
    print()
 +
 +
#homework 1b redone
 +
print('+%s+' % ('-' * 20) )
 +
for dwarfName in list:
 +
    print( "|%-20s|" % (dwarfName) )
 +
print('+%s+' % ('-' * 20) )
 +
 +
#homework 1c redone
 +
print('+%s+' % ('-' * 20) )
 +
for dwarfName in list:
 +
    print( "|%20s|" % (dwarfName) )
 +
print('+%s+' % ('-' * 20) )
 +
 +
#homework 1d redone
 +
print('+%s+' % ('-' * 40) )
 +
for dwarfName in list:
 +
    print( "|%19s | %-18s|" % ( dwarfName, dwarfName ) )
 +
print('+%s+'  %  ('-' * 40) )
 +
 +
 +
</source>
 +
<br />
 +
 +
==Output==
 +
<source lang="text">
 +
 +
+--------------------+
 +
| Sleepy            |
 +
+--------------------+
 +
 +
+--------------------+
 +
| Sneezy            |
 +
+--------------------+
 +
 +
+--------------------+
 +
| Bashful            |
 +
+--------------------+
 +
 +
+--------------------+
 +
| Happy              |
 +
+--------------------+
 +
 +
+--------------------+
 +
| Grumpy            |
 +
+--------------------+
 +
 +
+--------------------+
 +
| Dopey              |
 +
+--------------------+
 +
 +
+--------------------+
 +
| Doc                |
 +
+--------------------+
 +
 +
+--------------------+
 +
|Sleepy              |
 +
|Sneezy              |
 +
|Bashful            |
 +
|Happy              |
 +
|Grumpy              |
 +
|Dopey              |
 +
|Doc                |
 +
+--------------------+
 +
+--------------------+
 +
|              Sleepy|
 +
|              Sneezy|
 +
|            Bashful|
 +
|              Happy|
 +
|              Grumpy|
 +
|              Dopey|
 +
|                Doc|
 +
+--------------------+
 +
+----------------------------------------+
 +
|            Sleepy | Sleepy            |
 +
|            Sneezy | Sneezy            |
 +
|            Bashful | Bashful          |
 +
|              Happy | Happy            |
 +
|            Grumpy | Grumpy            |
 +
|              Dopey | Dopey            |
 +
|                Doc | Doc              |
 +
+----------------------------------------+
 +
</source>
 +
<br />
 +
 +
<br />
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<br />
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<br />
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<br />
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<br />
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<br />
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[[Category:Python]][[Category:CSC111]][[Category:Homework]]

Latest revision as of 12:07, 13 March 2015

--D. Thiebaut (talk) 11:20, 20 February 2014 (EST)

Problem #1


#hw2a.py
#Zoey Jingyi Sun (ch)
#Yipeng Lai (bq)
#Solution Program for Problem#1 in Homework#2
#
#This program is to breakdown the money entered by the user into bills and coins
#-------------------------------------------------------------------------------
#

#Get user input
amount=float(input( "Please enter the amount of money you want to withdraw:"))

#Print top bar
bar="+"+"-"*36+"+"
length=len(bar)
print(bar)

print("|","Total amount withdrawn: ","$%7.2f" % amount," |")
print("|"+" "*(length-2)+"|")

bill=int(amount)
coin=int((amount-bill)*100)

#Calculate bills numbers
BILL1=20
BILL2=10
BILL3=5
BILL4=1

#Calculate the numbers of $20-bill(s)
noBill= bill // BILL1
leftover= bill % BILL1
line1=" %2d" % noBill+" $20-bill(s)"
print ("|"+line1+" "*(length-len(line1)-2)+"|")

#Calculate the numbers of $10-bill(s)
noBill= leftover // BILL2
leftover= leftover % BILL2
line1=" %2d" % noBill+" $10-bill(s)"
print ("|"+line1+" "*(length-len(line1)-2)+"|")

#Calculate the numbers of $5-bill(s)
noBill= leftover // BILL3
leftover= leftover % BILL3
line1=" %2d" % noBill+" $5-bill(s)"
print ("|"+line1+" "*(length-len(line1)-2)+"|")

#Calculate the numbers of $1-bill(s)
noBill= leftover // BILL4
leftover= leftover % BILL4
line1=" %2d" % noBill+" $5-bill(s)"
print ("|"+line1+" "*(length-len(line1)-2)+"|")

#Print middle bar
print ("|"+"-"*19+" "*(length-21)+"|")

#Calculation of coins numbers
COIN1=25
COIN2=10
COIN3=5
COIN4=1

#Calculate the numbers of quarter(s)
noCoin= coin // COIN1
leftover= coin % COIN1
line2=" %2d" % noCoin+" quarter(s)"
print ("|"+line2+" "*(length-len(line2)-2)+"|")

#Calculate the numbers of dime(s)
noCoin= leftover // COIN2
leftover= leftover % COIN2
line2=" %2d" % noCoin+" dime(s)"
print ("|"+line2+" "*(length-len(line2)-2)+"|")

#Calculate the numbers of nickel(s)
noCoin= leftover // COIN3
leftover= leftover % COIN3
line2=" %2d" % noCoin+" nickel(s)"
print ("|"+line2+" "*(length-len(line2)-2)+"|")

#Calculate the numbers of cent(s)
noCoin= leftover // COIN4
leftover= leftover % COIN4
line2=" %2d" % noCoin+" cent(s)"
print ("|"+line2+" "*(length-len(line2)-2)+"|")

#Print bottom bar
print(bar)


Problem #2


#hw2b.py
#Zoey Jingyi Sun (ch)
#Yipeng Lai (bq)
#Solution Program for Problem#2 in Homework#2
#
#This program is to calculate the total balance of an investment growing at
#a fixed interest rate over ten years
#---------------------------------------------------------------------------

#Get user input
initial= float(input("Please enter the initial balance                  :"))
intRate= float(input("Please enter the interest rate (enter 0.03 for 3%):"))
print()
print("Table for an investment of $ %.2f"%initial,"at a rate of %.1f%%"%(intRate*100))

#Calculate the balance after 1 year
balance=initial*(1+intRate)
print("Balance after 1 year:   $%.2f"%balance)

#Calculate the balance after 2 year
balance=balance*(1+intRate)
print("Balance after 2 year:   $%.2f"%balance)

#Calculate the balance after 3 year
balance=balance*(1+intRate)
print("Balance after 3 year:   $%.2f"%balance)

#Calculate the balance after 4 year
balance=balance*(1+intRate)
print("Balance after 4 year:   $%.2f"%balance)

#Calculate the balance after 5 year
balance=balance*(1+intRate)
print("Balance after 5 year:   $%.2f"%balance)

#Calculate the balance after 6 year
balance=balance*(1+intRate)
print("Balance after 6 year:   $%.2f"%balance)

#Calculate the balance after 7 year
balance=balance*(1+intRate)
print("Balance after 7 year:   $%.2f"%balance)

#Calculate the balance for 8 year
balance=balance*(1+intRate)
print("Balance after 8 year:   $%.2f"%balance)

#Calculate the balance for 9 year
balance=balance*(1+intRate)
print("Balance after 9 year:   $%.2f"%balance)

#Calculate the balance for 10 year
balance=balance*(1+intRate)
print("Balance after 10 years: $%.2f"%balance)

</source>

Problem 3


# hw2c.py
# Sarah Sutto-Plunz (bu)
# Kathleen McLaughlin (aj)
# (Edited by D. Thiebaut)
# 2/12/14
# These programs output various boxes around lists of dwarfnames.
#--------------------------------------------------------------

#homework 1a redone
list = [ "Sleepy", "Sneezy", "Bashful", "Happy", "Grumpy", "Dopey", "Doc"]
for dwarfNames in list:
    line = "%-18s" % (dwarfNames)
    length = 20
    print( "+" + "-" * ( length ) + "+" )
    print( "| " + line + " |" )
    print( "+" + "-" * ( length ) + "+" )
    print()

#homework 1b redone
print('+%s+' % ('-' * 20) )
for dwarfName in list:
    print( "|%-20s|" % (dwarfName) )
print('+%s+' % ('-' * 20) )

#homework 1c redone
print('+%s+' % ('-' * 20) )
for dwarfName in list:
    print( "|%20s|" % (dwarfName) )
print('+%s+' % ('-' * 20) )

#homework 1d redone
print('+%s+' % ('-' * 40) )
for dwarfName in list:
    print( "|%19s | %-18s|" % ( dwarfName, dwarfName ) )
print('+%s+'  %  ('-' * 40) )


Output

+--------------------+
| Sleepy             |
+--------------------+

+--------------------+
| Sneezy             |
+--------------------+

+--------------------+
| Bashful            |
+--------------------+

+--------------------+
| Happy              |
+--------------------+

+--------------------+
| Grumpy             |
+--------------------+

+--------------------+
| Dopey              |
+--------------------+

+--------------------+
| Doc                |
+--------------------+

+--------------------+
|Sleepy              |
|Sneezy              |
|Bashful             |
|Happy               |
|Grumpy              |
|Dopey               |
|Doc                 |
+--------------------+
+--------------------+
|              Sleepy|
|              Sneezy|
|             Bashful|
|               Happy|
|              Grumpy|
|               Dopey|
|                 Doc|
+--------------------+
+----------------------------------------+
|             Sleepy | Sleepy            |
|             Sneezy | Sneezy            |
|            Bashful | Bashful           |
|              Happy | Happy             |
|             Grumpy | Grumpy            |
|              Dopey | Dopey             |
|                Doc | Doc               |
+----------------------------------------+














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