adding as-is from uni onedrive

Exercise1.py

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+unsorted_array = [6,2,9,0,2,5,3]
+sorted_array = []
+
+while unsorted_array:
+	minimum_value = unsorted_array[0]
+	for x in unsorted_array:
+		if x < minimum_value:
+			minimum_value = x
+	sorted_array.append(minimum_value)
+	unsorted_array.remove(minimum_value)
+	print sorted_array[len(sorted_array)-1]
+#print sorted_array

Exercise1Try1.py

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+numbers = [6,2,9,0,2,5,3]				#list of input numbers
+print numbers							#test
+#sorted = [numbers[0]]
+sorted = []								#list of sorted numbers
+#print sorted							#test
+counter = 1								#counter to be used as reference for input numbers list
+sorted_counter = counter-1				#coutner to be used as reference for positioning in sorted list
+#print sorted_counter					#test
+#print len(numbers)						#test
+#while counter <= len(numbers):
+#	if numbers[counter] < sorted[sorted_counter]:
+#		sorted.insert(sorted_counter, numbers[counter])
+#		counter += 1
+#		print sorted
+#		print counter
+#	else:
+#		counter += 1
+
+for x in numbers:
+	print x
+	if counter == 1:
+		sorted.append(x)
+		counter += 1
+	else:
+		for y in sorted:
+			if x < y:
+				print "yes"
+				break
+#	if numbers[x] < sorted[sorted_counter]:
+#		sorted.insert(sorted_counter, numbers[counter])
+#		counter += 1
+#		print sorted
+#		print counter
+#	else:
+#		counter += 1

README.md

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+Python Labs
+==============
+
+Lab files and exercises for first year python module.

booleaninto.py

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+x = 2
+print x == 2 #true
+print x is 2 # true
+print x == 3 #false
+
+str1 = "hello"
+str2 = str1
+print str1 is str2 #true
+print str1 == str2 #true

date.py

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+from datetime import date
+
+d0 = date(2008, 8, 18)
+d1 = date(2008, 9, 26)
+delta = d0 - d1
+print delta.days

dictionaryintro.py

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+phonebook = {} #empty dictionary, {} for dictionary [] for list
+phonebook["Jack"] = "1"
+phonebook["Nikos"] = "2"
+phonebook ["Fiona"] = "3"
+
+print phonebook["Jack"] #prints phone number of jack
+
+phonebookother = { #other way to open dictionary" 
+"jack": "1",
+"nikos": "2",
+"fiona" : "3"
+}
+
+phonebook["John"] = "4" #adds element
+
+for key, value in phonebook.iteritems():
+	print key + "'s phone number is " + str(value)
+
+phonebook["Nikos"] = "7" #change number
+
+print phonebook["Nikos"] #reprint
+
+del phonebook["Fiona"] #deletes number
+
+for key, value in phonebook.iteritems():
+	print key + "'s phone number is " + str(value)

exercise3.py

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+try:
+	day_1 = eval(raw_input("Enter Day 1: "))
+except NameError:
+	print "fucked it"
+	pass
+try:
+	month_1 = eval(raw_input("Enter Month 1: "))
+except NameError:
+	print "fucked it"
+	pass
+try:
+	year_1 = eval(raw_input("Enter Year 1: "))
+except NameError:
+	print "fucked it"
+	pass
+try:
+	day_2 = eval(raw_input("Enter Day 2: "))
+except NameError:
+	print "fucked it"
+	pass
+try:
+	month_2 = eval(raw_input("Enter Month 2: "))
+except NameError:
+	print "fucked it"
+	pass
+try:
+	year_2 = eval(raw_input("Enter Year 2: "))
+except NameError:
+	print "fucked it"
+	pass
+print day_1

exercise32.py

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+day_1 = eval(raw_input("Enter Day 1: "))
+month_1 = eval(raw_input("Enter Month 1: "))
+year_1 = eval(raw_input("Enter Year 1: "))
+day_2 = eval(raw_input("Enter Day 2: "))
+month_2 = eval(raw_input("Enter Month 2: "))
+year_2 = eval(raw_input("Enter Year 2: "))
+
+month_length = [0, 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+
+month_1_math = month_1
+day_sum = 0
+while month_1_math != 0:
+	day_sum += month_length[month_1_math]
+	month_1_math -= 1
+
+month_2_math = 11 - month_2
+day_sum_2 = 0
+while month_2_math != 0:
+	day_sum_2 += month_length[month_2_math]
+	month_2_math -= 1
+
+day_2_difference = month_length[month_2] - day_2
+
+year_dif = ((year_1 - year_2 - 1)*365)
+
+if year_dif < 0:
+	year_dif = 0
+	
+total = year_dif + day_sum + day_1 + day_sum_2 + day_2_difference
+print total
+#delta_day = day_2 - day_1
+#delta_month = month_2 - month_1
+#delta_year = year_2 - year_1 - 1
+
+#
+#if day_2 < day_1:
+#	delta_month -= 1
+#
+#if month_2 < month_2:
+#	delta_year -= 1
+

exercise_1.py

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+unsorted_array = [6,2,9,0,2,5,3]	#array of values given by exercise
+sorted_array = []	#empty array that will be populated by sorted values
+
+while unsorted_array:		#open while loop, active while the unsorted array still has values in it
+	minimum_value = unsorted_array[0]	#takes first value in array and sets it as "minimum value"
+	for x in unsorted_array:			
+		if x < minimum_value:			#for loops check "minimum value" against each value in array 
+			minimum_value = x			#and sets it as new "minimum value" if a value is found that is smaller
+	sorted_array.append(minimum_value)	#adds smallest value from unsorted array to the first value of the sorted array
+	print minimum_value					#prints smallest value
+	unsorted_array.remove(minimum_value)#removes smallest value from unsorted array so it can not be picked and added again	

exercise_2.py

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+rows = eval(raw_input("Enter Row Number: "))	#user defines number of columns
+columns = eval(raw_input("Enter Column Number: "))	#user defines number of columns
+
+matrix = []	#define empty matrix
+
+for i in range(0, rows):		#populates matrix with user elements
+	newrow = [] 
+	for j in range(0, columns):	#defines a row of elements added by user and appends it to matrix
+		num = int(raw_input("Enter Matrix Element: "))
+		newrow.append(num)
+	matrix.append(newrow)
+	
+for i in matrix:	#print first matrix
+	print i
+	
+transposed_matrix = []	#defines new matrix which will become transpose of previous matrix
+
+for i in range(0, columns):	#same function as before to populate new matrix, defining number of rows as 
+	newrow = [] 			#previous matrix had columns and vise versa
+	for j in range(0, rows):
+		num = matrix[j][i]	#takes each element from previous matrix rather than user input as before
+		newrow.append(num)
+	transposed_matrix.append(newrow)
+
+for i in transposed_matrix:
+	print i					#print transpose matrix

exercise_3.py

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+print "Function takes Date 1 and subtracts Date 2, enter string of integers separated by spaces"
+
+date_1 = raw_input("Enter date 1 in format dd mm yyyy: ")	#takes dates as string of integers
+date_2 = raw_input("Enter date 2 in format dd mm yyyy: ")
+
+date_1 = [int(i) for i in date_1.split() if i.isdigit()]	#creates array of integers extracted from string input
+date_2 = [int(j) for j in date_2.split() if j.isdigit()]
+
+month_length = [0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365]
+#month_length is array of months denoted by cumulative days up to month before month entered hence 0,0 at the start
+#ie entering 1 as january will return 0 as no complete months have passed 
+#entering 3 for march will return 59 representing january's and february's complete days
+
+def date_to_days(day, month, year):	#function defined to take date and turn it into days
+	year *= 365	#takes total years inputed and multiplies it by 365
+	month = month_length[month] 	#returns days in month from array previously explained
+	return day + month + year		#returns total days as sum of previous calculations
+	
+date_1_days = date_to_days(date_1[0], date_1[1], date_1[2])	#calls function for first date
+date_2_days = date_to_days(date_2[0], date_2[1], date_2[2])	#calls function for second date
+
+#print date_1_days	#prints everything
+#print date_2_days
+print abs(date_1_days-date_2_days) #takes absolute value so days is always positive

for.py

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+for x in range(4, 7):
+    print "We're on time %d" % (x)

functionintro.py

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+def my_print(name):
+	print "hello " + name + "!."
+
+my_print("Andy")
+
+def my_sum(x,y):
+	return x+y
+
+print my_sum(4,5)

helloworld.py

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+print "Hello World" #comment

inputintro.py

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+mystr = raw_input("enter a string: ")
+print mystr
+myint = eval(raw_input("enter a number: "))
+print str(myint)
+mymatrix = raw_input("enter characters separated by commas: ")
+print mymatrix.split(",") #split a string into a list of elements where the delimiter is ,
+
+for x in mymatrix:
+	print x

listappend.py

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+lst = []	# empty list
+lst.append(1)
+lst.append(2)
+lst.append(3)
+print(lst[0])
+print(lst[2])
+
+for x in lst:
+	print x
+
+print lst

listintro.py

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+odd_numbers_lst = [1,3,5,7]
+even_number_lst = [2,4,6,8]
+print odd_numbers_lst + even_number_lst # to concatenate two lists together
+
+mixed_lst = [1, "lab1"]
+print mixed_lst
+
+lst = [1,2,3,4]
+print lst*3

loopsinto.py

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+even_number = [2,4,6,8] #loop and print list 
+for num in even_number:
+	print num
+	
+numbers = [1,2,3,4,5,6,7,8,9]
+for num in numbers:
+	#check if number is even
+	if num %2 == 0:
+		print num
+		
+counter = 1
+while counter < 10:
+	print counter
+	counter += 1
+	
+for x in range(10):
+	print(x)
+	if x==5:
+		break
+
+import string
+for letter in string.ascii_lowercase:
+	if letter == "a":
+		continue	#print all letters except 'a'
+	print letter

matrixinto.py

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+mymatrix = [[1,2,3], [4,5,6], [7,8,9]]
+#to iterate through rows
+for i in range(len(mymatrix)):
+	print i
+	print(mymatrix[i])
+
+#ask user for the number of columns and rows, then creates the matrix
+rows = int(raw_input("enter number of rows: "))
+columns = int(raw_input("enter number of columns: "))
+#create matrix
+mymatrix = []
+for i in range(0, rows):
+	myrow = [] #row has to be initialized ever iteration
+	for j in range(0, columns):
+		num = int(raw_input("enter a number: "))
+		myrow.append(num)
+	mymatrix.append(myrow)
+	
+for i in range(len(mymatrix)):
+	print i
+	print(mymatrix[i])

numberinputexercise.py

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+num_list = []
+while (True):dicks
+	num = eval(raw_input("Enter a Number: "))
+	if num == 0:
+		break
+	num_list.append(num)
+	
+print num_list
+print sum(num_list)
+print max(num_list)
+print min(num_list)
+
+product = 1
+for numu in num_list:
+	product *= numu
+print product

sort.py

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+list = ["aaaa", "ffff", "adadad", "cccc", 5, 2, 4]
+print list.sort()

variableintro.py

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+num = 2
+strn = "hello"
+#print str + num
+print strn + str(num)