Building Software Systems

ตุลาคม 04, 2558

Lab5_strings

def setup():
print(my_count("Thailand","a"))
print(my_find("Thailand","i"))
print(my_replace("Thailand","land","thai"))
print(my_strip("Thailand "))
print(my_startswith("Thailand","Sun"))
print(my_endswith("Thailand","and"))

def my_count(full,part):
count = 0
i = 0
while(i<len(full)):
if(full[i] == part):
count = count+1
i = i+1
return count

def my_find(full,part):
i = 0
while(i<len(full)):
if(full[i] == part):
index = i
break
i = i+1
return index

def my_replace(full,old,new):
newStr = ""
l = len(old)
i = 0
while(i<len(full)):
a = full[i]
j = 1
while(j<l and i+j<len(full)):
a = a+full[i+j]
j = j+1
if(a == old):
newStr = newStr+new
i = i+(l-1)
else:
newStr = newStr+full[i]
i = i+1
return newStr

def my_strip(full):
newStr = ""
i = 0
while(i<len(full)):
if(full[i] != ' '):
start = i
break
i = i+1
i = len(full)-1
while(i>=0):
if(full[i] != ' '):
end = i
break
i = i-1
j = start
while(j<=end):
newStr = newStr+full[j]
j = j+1
return newStr

def my_startswith(full,start):
result = True
l = len(start)
i = 0
while(i<l):
if(full[i] != start[i]):
result = False
break
i = i+1
return result

def my_endswith(full,end):
result = True
l = len(end)
i = len(full)-l
j = 0
while(i<len(full)):
if(full[i] != end[j]):
result = False
break
j = j+1
i = i+1
return result

setup()

Lab5_decimal to binary

def setup():
print("Decimal to Binary")
num = int(input())
print(num,"-->",end=" ")
p = 0
while(num-(pow(2,p))>=0):
p = p+1
n = [0]*p
i = 0
while(i<len(n)):
n[i] = num%2
num = num/2
num = round(num-0.1)
i = i+1
i = 0
j = len(n)-1
while(i<len(n)):
print(n[j],end="")
j = j-1
i = i+1

setup()

Lab5_arrays

def setup():
n = [-3,21,-5,17,21]
display(n)
maximum(n)
summation(n)
sum_positive(n)
count_positive(n)
average(n)
increase(n)

def display(a):
i = 0
while(i<len(a)):
print("a [",i,"] =",a[i])
i = i+1

def maximum(a):
i = 1
value = a[0]
while(i<len(a)):
if(value<a[i]):
value = a[i]
i = i+1
print("maximum value =",value)
i = 0
searching = True
while(i<len(a) and searching):
if(a[i]==value):
searching = False
i = i+1
print("index of first max value =",i-1)
i = len(a)-1
searching = True
while(i>=0 and searching):
if(a[i]==value):
searching = False
i = i-1
print("index of last max value =",i+1)

def summation(a):
i = 0
value = 0
while(i<len(a)):
value = value+a[i]
i = i+1
print("Sum of values =",value)

def sum_positive(a):
i = 0
value = 0
while(i<len(a)):
if(a[i]>0):
value = value+a[i]
i = i+1
print("Sum of positive values =",value)

def count_positive(a):
i = 0
count = 0
print("positive values = ",end="")
while(i<len(a)):
if(a[i]>0):
print(a[i]," ",end="")
count = count+1
i = i+1
print("")
print("count of positive values =",count)

def average(a):
i = 0
value = 0
while(i<len(a)):
value = value+a[i]
i = i+1
avg = value/len(a)
print("average of values =",avg)

def increase(a):
i = 0
percent = int(input())
print("new array increase by:",percent,"%")
while(i<len(a)):
a[i] = a[i]+(a[i]*percent/100)
print("a [",i,"] =",a[i])
i = i+1

setup()

กันยายน 20, 2558

Lab4x_Sum-of-1-to-N & Multiplication-Table & Sum-of-Prime-Number & Monthly-Loan-Payment

# Sum Of 1 to N
def setup():
n = 15
sumOfOneToN(n)
def sumOfOneToN(n):
sum = 0
print("N = ",n)
while(n>0):
sum += n
n -= 1
print("sum of int from 1 to N = ",sum)
setup()

# Multiplication Table
def setup():
num = 13
multipli_table(num)
def multipli_table(n):
multi = 1
print("Multiplication-Table of ",n)
while(multi <= 12):
print(n," x ",multi," = ",(n*multi))
multi += 1
setup()

# Sum of Prime Number
def setup():
final_num = 100
primeCal(final_num)
def primeCal(n):
result = 0
num = 1
print("Sum of Prime number from 1 to",n)
while(num<=n):
primeNum = True
i = 2
while(i<num and primeNum):
if((num%i) == 0):
primeNum = False
i += 1
if(primeNum):
result += num
num += 1
print("result =",result)
setup()

# Monthly loan payment
def setup():
loan = 5000
interest_rate = 12 # percent
loan_term = 12 # months
loanCal(loan, interest_rate, loan_term)

def loanCal(loan, interest_rate, loan_term):
balance = loan
total_interest = 0
count=1
j = interest_rate/100/12
payMonthly = loan*(j/(1-(pow(1+j,-loan_term))))
print("***** Monthly Loan Payment *****")
print(" Loan Amount : $",loan)
print(" Loan Term : ",loan_term," months")
print(" Interest Rate : ",interest_rate,"%")
print("************************************")

print("Payment NO.| Balance | Interest | Principal | Unpaid Balance | Total Interest to Date")
while (count<=loan_term):
interest = j*balance
principal = payMonthly-interest
print(" ",round(count)," ",round(balance)," ",round(interest)," ",round(principal), end="")
balance -= principal
total_interest += interest
print(" ",round(balance)," ",round(total_interest))
count += 1
print("Payment Every Month : $",payMonthly)
print("Total of 12 Payments : $",(loan+total_interest))
print("Total Interest : $",total_interest)
setup()

Lab4x_Grade-Calculation & Leap-Year & Power-of-Ten & Delivery-Charge

# Grade Calculation
def setup():
score = 60
gradeCal(score)
def gradeCal(s):
print("Score = ",s)
if(s>=80 and s<=100):
print("Grade : A")
elif(s>=70 and s<80):
print("Grade : B")
elif(s>=55 and s<70):
print("Grade : C")
elif(s>=40 and s<55):
print("Grade : D")
elif(s>=0 and s<40):
print("Grade : F")
else:
println("Grade : -")
setup()

# Leap Year
def setup():
year = 1800
leapYear(year)
def leapYear(y):
print("Year = ",y);
if(y%400==0 or (y%4==0 and y%100!=0)):
print("Leap Year")
else:
print("Not Leap Year")
setup()

# Power of ten
def setup():
powerTen = 29
powerOfTen(powerTen)
def powerOfTen(p):
print("Power-of-ten = ",p)
if(p>=100):
if(p>100):
print("Number = Googol++")
else:
print("Number = Googol")
elif(p>=30):
if(p>30):
print("Number = Nonillion++")
else:
print("Number = Nonillion")
elif(p>=21):
if(p>21):
print("Number = Sextillion++")
else:
print("Number = Sextillion")
elif(p>=18):
if(p>18):
print("Number = Quintillion++")
else:
print("Number = Quintillion")
elif(p>=15):
if(p>15):
print("Number = Quadrillion++")
else:
print("Number = Quadrillion")
elif(p>=12):
if(p>12):
print("Number = Trillion++")
else:
print("Number = Trillion")
elif(p>=9):
if(p>9):
print("Number = Billion++")
else:
print("Number = Billion")
elif(p>=6):
if(p>6):
print("Number = Million++")
else:
print("Number = Million")
else:
print("Number = --")
setup()

# Delivery Charge
def setup():
packaging = 2 # (1)letter
# (2)box
service = 1 # (1)Next-Day-Priority
# (2)Next-Day-Standard
# (3)2-Day
weight = 11 # oz unit for letter
# pound unit for box
error = False

if(packaging == 1):
print("type of packaging = letter")
elif(packaging == 2):
print("type of packaging = box")
else:
print("type of packaging = Error")
error = True

if(service == 1):
print("service = Next-Day-Priority")
elif(service == 2):
print("service = Next-Day-Standard")
elif(service == 3):
print("service = 2-Day")
else:
print("service = Error")
error = True

if(packaging == 1):
print("Weight = ",weight," oz")
elif(packaging == 2):
print("Weight = ",weight," pound")

#Calculation
if(error == True):
print("The charge = Error")
elif(packaging == 1):
if(service == 1):
if(weight <= 8):
print("The charge = $12.00")
else:
print("Error : Over Load")
elif(service == 2):
if(weight <= 8):
print("The charge = $10.50")
else:
print("Error : Over Load")
else:
print("This service is not available")
else:
if(service == 1):
value = 15.75+((weight-1)*1.25)
elif(service == 2):
value = 13.75+((weight-1)*1.00)
else:
value = 7.00+((weight-1)*0.50)
print("The charge = $",value)

setup()