Programming Fundamentals: Lab 5

แสดงบทความที่มีป้ายกำกับ Lab 5 แสดงบทความทั้งหมด

วันอาทิตย์ที่ 4 ตุลาคม พ.ศ. 2558

Lab 5 - (Function) my_endswith()

def my_endswith(word,check):
i = len(word)-len(check)
a = 0
if(len(word)>=len(check)):
while(i<len(word)):
if(word[i] == check[a]):
i = i + 1
a = a + 1
else:
return False
return True

my_endswith("thailand","land")
assert my_endswith("thailand","land")
assert my_endswith("thailand","thai") == False

Lab 5 - (Function) my_startswith ()

def my_startswith(word,check):
i = 0
while(i<len(check)):
if(word[i] == check[i]):
i = i + 1
else:
return False
return True

my_startswith("Thailand","That")
assert my_startswith("Thailand","That")
assert my_startswith("Thailand","That") == False

Lab 5 - (Function) my_strip()

def my_replace(word):
result=""
i = 0
while(i<len(word)):
if(word[i] != " "):
result = result + word[i]
i = i+1
return result

my_replace("Thailand ")
assert (my_replace("Thailand ") == "Thailand" )
print (my_replace("Thailand "))

Lab 5 - (Function) my_find()

def my_find(word,charac):
i = 0
x = 0

while(i<len(word)):
if(charac == word[i]):
x = i
print(x)
break
i = i+1

my_find("Thailandi","i")

Lab 5 - (Function) my_count()

def my_count(word,check):
i = 0
count = 0
while (i<len(word)):
if (word[i] == check):
count = count + 1
i = i + 1
print (count)

my_count("thailand","a")

วันจันทร์ที่ 28 กันยายน พ.ศ. 2558

Lab 5 - Convert a number from base 10 to base 2

def convert_10_to_2():
    num = 29
    keep = ""
    r = 0
    while (num>0):
        r = num % 2
        num = num // 2
        keep = str(r) + keep
    print (keep)

convert_10_to_2()

วันพุธที่ 23 กันยายน พ.ศ. 2558

Lab 5 - Decrease values in array (by percentage)

def decrease_percent(a):
n = a
i = 0
dec_per = 0.5 # 50/100
print("Number increase",dec_per*100,"%")
while(i < len(n)):
print("Original Array n[",i,"] =",n[i])
n[i] = n[i] - n[i]*dec_per
print("Decrease Array n[",i,"] =",n[i])
print()
i = i + 1

decrease_percent([5, 6, 7, 8])

Lab 5 - Increase values in array (by percentage)

def increase_percent(a):
n = a
i = 0
inc_per = 0.5
print("Number increase",inc_per*100,"%")
while(i < len(n)):
print("Original Array n[",i,"] =",n[i])
n[i] = n[i] + n[i]*inc_per
print("Increase Array n[",i,"] =",n[i])
print()
i = i + 1

increase_percent([5, 6, 7, 8])

Lab 5 - Decrease values in array (by fixed value)

def decrease_array(a):
n = a
i = 0
dec = 5
print("Decrease Number is",dec)
while(i < len(n)):
print("Original Array n[",i,"] =",n[i])
n[i] = n[i] - dec
print("Decrease Array n[",i,"] =",n[i])
print()
i = i + 1

decrease_array([5, 6, 7, 8])

Lab 5 - Increase values in array (by fixed value)

def increase_array(a):
n = a
i = 0
inc = 5
print("Increase Number is",inc)
while(i < len(n)):
print("Original Array n[",i,"] =",n[i])
n[i] = n[i] + inc
print("Increase Array n[",i,"] =",n[i])
print()
i = i + 1

increase_array([5, 6, 7, 8])

Lab 5 - Find/count number of positive values in array

def find_count_pos(a):
n = a
i = 0
suma = 0
x = 0 #amount of positve numer
while(i < len(n)):
if(n[i] > 0):
suma = suma + n[ i ]
print("Index of Positive number = n[", i ,"]")
x = x + 1
i = i + 1
print("Summary of Positive number is =", suma)
print("Amount of Positive number is =", x)

find_count_pos([-5, 4, 3, 2, 1, -6, -3])

Lab 5 - Find sum of positive values in array

def pos_sum(a):
n = a
i = 0
suma = 0
while(i < len(n)):
if(n[i] > 0):
suma = suma + n[ i ]
i = i + 1
print("Summary of Positive number is =", suma)

pos_sum([-5, 4, 3, 2, 1, -6, -3])

Lab 5 - Find average of values in array

def average_sum(a):
n = a
i = 0
suma = 0
while(i < len(n)):
suma = suma + n[ i ]
i = i + 1
print("Summary =", suma)
print("Amount of array =", len(n))
suma = suma/len(n)
print("Average of summary =", suma)

average_sum([5, 4, 3, 2, 1, 0, 6, 3])