section3 final

Author: david00013

Section3/.idea/.gitignore

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+# program to declare and use numbers in Python
+var1 = 123
+print(type(var1), " value = ",var1)
+var2 = 12.23
+print(type(var2), " value = ",var2)
+var3 = 10e10 # we can use exponents
+print(type(var3), " value = ",var3)
+var4 = 10+20j  # we can use complex num
+print(type(var4), " value = ",var4)
+

Section3/.idea/Section3.iml

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+# Program to show differnt type of number system
+bin = 0b11101
+print("Value of bin = ", bin)
+oct = 0o432
+print("Value of oct = ", oct)
+hex = 0xFFF
+print("Value of hex = ", hex)

Section3/.idea/inspectionProfiles/profiles_settings.xml

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+# Program to show type conversion
+var1 = 12.23
+var2 = int(var1)
+print(var2)
+var3 = 12
+var4 = float(var3)
+print(var4)
+var5 = "12.23"
+var6 = float(var5)
+print(var6)
+

Section3/.idea/misc.xml

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+# Program to show number functions
+
+print("abs() = ", abs(-12))
+print("max() = ", max(10, 2, 33, 44, 55, 11, 78))
+print("min() = ", min(10, 2, 33, 44, 55, 11, 78))
+print("round() = ", round(10.3459,2))

Section3/.idea/modules.xml

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+# Program to show boolean data type
+var1 = True
+print("type = ", type(var1), ", Value = ", var1)
+var2 = False
+print("type = ", type(var2), ", Value = ", var2)

Section3/.idea/vcs.xml

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+# Program showing use of bool()
+
+var1 = bool(1)
+print("var1 = ", var1)
+var2 = bool(0)
+print("var2 = ", var2)
+var3 = bool("Hello")
+print("var3 = ", var3)
+var4 = bool("")
+print("var4 = ", var4)
+
+
+

Section3/lecture31/Program1.py

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+# Program to show different string declaration syntax
+
+str1 = "Hello world Double quotes"
+str2 = 'Hello world single quotes'
+str3 = """ Line1
+           line2
+            line3 Triple double quotes"""
+str4 = ''' Line1
+           line2
+            line3 Triple single quotes'''
+print("str1 = ", str1)
+print("str2 = ", str2)
+print("str3 = ", str3)
+print("str4 = ", str4)

Section3/lecture31/Program2.py

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+# Program to show different string methods
+
+str1 = "hello world"
+print("length of  str = ", len(str1))
+print("index() = ", str1.index("world"))
+print("find() = ", str1.find("w"))
+print("capitalize() = ", str1.capitalize())
+
+
+

Section3/lecture31/Program3.py

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+# Program to show more String methods
+str2 = "M"
+print("isalpha() = ", str2.isalpha())
+str3 = "David"
+print("join() = ", str3.join("[]"))
+print("replace() = ", str3.replace("David","Paul"))
+str4 = "Apple,Orange,Banana"
+print("split() = ", str4.split(","))
+print("upper() = ", str4.upper())
+
+
+
+
+
+
+

Section3/lecture31/Program4.py

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+# Program to show indexing of string
+
+str1 = "Welcome to Python"
+print("indexing first position", str1[0])
+print("indexing last position = ", str1[len(str1)-1])
+print("negative indexing = ", str1[-1])

Section3/lecture31/__init__.py

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+# Program to show slicing string in Python
+
+str1 = "My name is David"
+print("slicing string 1 = ", str1[:2])
+print("slicing string 2 = ", str1[3:7])
+print("slicing string 3 = ", str1[8:])
+str2 = "abcdefgh"
+print("slicing string with step size = ", str2[::2])
+print("reversing string = ", str2[::-1])

Section3/lecture32/Program1.py

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+# Program to show different print formatting
+
+print("Hello {}".format("David"))
+print("format = {0} {2} is {1}".format("My", "David", "Name"))
+# using fstring
+str1 = "David"
+print(f" fstring = My name is {str1}")

Section3/lecture32/Program2.py

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+# Program to show declaration and usage of lists
+
+fruits_list = ["Apple", "Orange", "Banana", "Mango"]
+print(" fruits_list = ", fruits_list)
+print("iterating list items")
+for item in fruits_list:
+    print("fruit : ", item)
+list1 = [] # empty list
+print("length of list1 = ", len(list1))

Section3/lecture32/__init__.py

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+# Program to show indexing and slicing a list
+
+name_list = ["David", "Paul", "Sam", "Adam"]
+print("name_list first element = ", name_list[0])
+print("name_list last element = ", name_list[-1])
+print("name_list slicing first 2 elements = ", name_list[0:2])
+print("name_list reversing elements = ", name_list[::-1])
+

Section3/lecture33/Program1.py

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+# Program to show list methods
+
+cars = ["Skoda", "Toyota", "Ferrari", "BMW"]
+print("list index ", cars.index("BMW"))
+cars.append("Ford")
+print(" after append = ", cars)
+print(" after pop = ", cars.pop())
+cars.remove("Skoda")
+print(" after remove = ", cars)
+cars.insert(2, "Fiat")
+print(" after insert = ", cars)
+cars.clear()
+print(" after clear = ", cars)

Section3/lecture33/Program2.py

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+# Program to show declaration and usage of tuples
+
+days = ("sun", "mon", "tue", "wed", "thu", "fri", "sat")
+print("Tuple days = ", days)
+emp = ()  # empty tuple
+print("empty tuple =", emp)
+tup = (1,) # empty tuple
+print("single element tuple =",tup)

Section3/lecture33/Program3.py

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+# Program showing useage of 'in' with tuples
+
+days = ("sun", "mon", "tue", "wed", "thu", "fri", "sat")
+if "mon" in days:
+    print("mon is present")
+
+if "jan" not in days:
+    print("jan is not present")

Section3/lecture33/Program4.py

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+# Program to show tuple unpacking in Python
+
+items = ("pen", "box", "ball", "paper")
+(red, green, yellow, blue) = items
+print("red = ",red)
+
+list1 = [(1, 2), (3, 4), (5, 6)]  # llist of tuples
+for (a, b) in list1:
+    print("(",a,",", b, ")")

Section3/lecture33/Program5.py

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+# Program to show indexing and slicing a tuple
+
+tup1 = (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
+print("first element ", tup1[0])
+print("last element ", tup1[-1])
+print("Slicing first 5 elements = ", tup1[:5])
+print("Slicing last 5 elements = ", tup1[5:])
+print("Slicing elements with step 2 = ", tup1[::2])

Section3/lecture33/Program6.py

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+# Program to show declaration of sets in python
+
+set1 = {1, 2, 3, 4, 5, 6, 7, 8, 9}
+print("set1 = ", set1)
+set2 = set()  # empty set
+print(type(set2))
+set3 = {1,}
+print("single element set = ", set3)
+set4 = set(["a","b", "c"])
+print("set4 = ", set4)
+

Section3/lecture33/__init__.py

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+# Program to show methods of set
+
+set1 = {1, 2, 3, 4}
+set1.add(5)
+print("after add = ", set1)
+set2 = {6, 7, 8, 9}
+print("union = ", set1.union(set2))
+set3 = {4, 5, 6, 7}
+print("intersection = ", set2.intersection(set3))
+set1.discard(1)
+print("after discard = ", set1)

Section3/lecture34/Program1.py

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+# Program to show frozen sets
+
+set1 = frozenset({1, 2, 3, 4, 5})
+print("Frozen set = ", set1)

Section3/lecture34/Program2.py

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+# Program to show declaration and usage of dictionaries
+
+dict1 = {"name": "David", "age": 31, "job": "instructor"}
+print("dict1 = ", ict1)
+print("dict1 name = ", dict1["name"])
+dict2 = {}  # empty dictionary
+print("empty dictionary = ", dict2)
+dict1["age"] = 32
+print("dict1 after changing name ", dict1)

Section3/lecture34/Program3.py

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+# Program to show dictionary methods
+
+dict1 = {"name": "David", "age": 31, "job": "instructor"}
+print("keys : ", dict1.keys())
+print("values : ", dict1.values())
+for (k,v) in dict1.items():
+    print(k, " -> ", v)
+

Section3/lecture34/__init__.py

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+# This is a sample Python script.
+
+# Press Shift+F10 to execute it or replace it with your code.
+# Press Double Shift to search everywhere for classes, files, tool windows, actions, and settings.
+
+
+def print_hi(name):
+    # Use a breakpoint in the code line below to debug your script.
+    print(f'Hi, {name}')  # Press Ctrl+F8 to toggle the breakpoint.
+
+
+# Press the green button in the gutter to run the script.
+if __name__ == '__main__':
+    print_hi('PyCharm')
+
+# See PyCharm help at https://www.jetbrains.com/help/pycharm/