First commit

Author: harshit.kacker

API.py

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+import time as t
+import datetime
+from _datetime import date
+
+print("sleeping")
+print(t.sleep(5))
+
+print(datetime.date.today())
+print(datetime.datetime.now())

Demo.py

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+""" This is my first python code
+ 
+age= int(input("Enter the age"))
+if age > 18 and age < 60:
+    print("can vote")
+elif age < 18 and age > 1:
+    print("not allowed")
+else :
+    print("invalid age") """
+###################################
+info = r"My name is \n 'harshit'"
+print(info)
+####################################
+print("'harshit'" in info)
+print(info.count("i"))
+print(info.index("'harshit'"))
+for char in info:
+    print(char , end = " ")
+print(info[0:10])
+print(info.split(sep=" "))
+########################################
+mylist =list([10,20,30,10,40,50,"harshit"])
+print(type(mylist))
+print(mylist[0:4])
+########################################
+mylist.append("newly added")
+mylist.insert(0, "first")
+print(mylist)
+print(30 in mylist)
+print(mylist.count(10))
+#########################################
+print(len(mylist))
+print(mylist.reverse())
+print(mylist)
+print(mylist.pop(0))
+#########################################
+mytupple = (10,20,30,"harshit")
+print(type(mytupple))
+#print(mytupple.append("newly added"))
+print(3 in mytupple)
+for val in mytupple :
+    print(val)
+print(mytupple[0:3])
+##########################################
+mylist1=[10,90,20]
+mytupple2=tuple(mylist1)
+print(type(mytupple2))
+##########################################
+mytupple3 =("harshit")
+mytupple4 =tuple("66")
+print(type(mytupple3))
+print(type(mytupple4))
+#########################################
+myset={10,3,4,6,20}
+myset2={30,7,90,8}
+print(type(myset))
+print(3 in myset)
+print(myset.add(69))
+print(myset)
+for val in myset:
+    print(val)
+##########################################
+print(myset.union(myset2))
+print(myset.difference(myset2))
+print(myset.issuperset(myset2)) 
+##########################################
+

decorator.py

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+def mydec(anyfunc):
+    def inner(*val):
+        print("This is pre task")
+        anyfunc(*val)
+        print("The argument values",val, "func name is",anyfunc.__name__)
+        print("This is post task")
+    return inner
+
+@mydec  # This is linking to decorator so , first decorator will execute
+def add(num1 , num2):
+    print("This is add function", num1+num2)
+    
+@mydec
+def login(username , password):
+    print("login function")
+
+add(10 , 20)
+login("harshit", 1234)

demo.csv

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+ID	Name	Age
+1.01	Sam	0.35
+1.02	Harry	0.27
+1.03	Ravi	0.37

demo_cmd.py

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+"""
+fp = open("C:/Users\harshit.kacker\eclipse-workspace\python_first\sample.txt")
+print(fp.read())
+fp.seek(0)   # goes back to first character of the line
+mylist =fp.readlines()
+
+for val in mylist :
+    print(val)
+fw = open("sample_output.txt",'w')
+fw.write("Learning python is very interesting")
+fw.write("\npython can be used in Analytics also")
+fw.write("\nspark code can also written in python")
+fw.close()
+print("data Written")
+"""
+
+"""fw = open("sample_output.txt",'a+')
+fw.write("\nlast Line")
+fw.seek(0)
+print(fw.readlines())
+print(fw) """
+
+fp1 = open("demo.csv","r")
+print(fp1.read())
+
+fp = open("nwedemo.csv",'w')
+fp.write("\nPid,name")
+fp.write("\n101,Food")
+fp.write("\n102,Coffee")
+fp.close()
+print("data written")

first_class.py

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+class Person :
+    def show(self):
+        print("show in person")
+        
+class Human :
+    def show(self):
+        print("show in Human")
+        
+class Employee(Person,Human):
+    
+    """This is Employee class (will
+    only display if put at first)"""
+
+    cname ="Accenture"
+    
+    def __init__(self,eid ,name):
+        print("inside init")
+        self.__empid = eid
+        self.__empname = name
+        print(self.__empid,"    ",self.__empname)
+
+    
+    def info(self):
+        super().show()   #to access parent class
+        print(self.__empid)
+        
+    def show(self): # this is overriding but overloading is not supported
+        print(self.__empid)  
+    
+print(Employee.__doc__)
+print(Employee.cname)
+obj=Employee(101,"sam")
+#print(obj.__empid,"    ",obj.__empname)  
+#__ is used to make function private
+print(obj.info())
+obj.show()

map_plot.py

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+import matplotlib.pyplot as mt
+import pandas as pd
+
+df =pd.read_csv("nwedemo.csv")
+#df["Age"].plot(kind="bar")
+#df.plot(kind="bar")
+df["Age"].plot(kind="pie")
+mt.ylabel("Age")
+mt.xlabel("Row numbers")
+mt.show()
+
+
+"""size = [40,30,30]
+lab=["india","USA","UK"]
+exp =[0,0,0.5]
+
+mt.pie(x=size , labels=lab, colors=["red","Orange","Brown"], explode=exp)
+mt.title("Country")
+mt.show()"""
+
+""""y=[90,80,60,93,68,40,50]
+x=["Harry","sam","Rohan","Neha","Shruti","Surabhi","Kanu"]
+mt.bar(x,y,width=0.3 , color=["red","Green"])
+mt.ylabel("percentages")
+mt.xlabel("Names")
+mt.show()"""
+

new_data.txt

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+ID,Name,Age
+101,Harshit,27
+102,neha,26
+103,surabhi,26
+104,kanu,25

newdemo.csv

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+import numpy as np
+print(np.__version__)
+
+mylist = [10,20,40,50]
+print(mylist*2)
+
+myarr = np.array(mylist)
+print(type(myarr))
+print(myarr*2)
+
+print(np.append(myarr,100))
+print(np.insert(myarr,0,1))
+
+myarr2= np.array((10,20,40,50))
+print(myarr2)
+
+print(mylist+mylist)
+print(myarr+myarr2)
+
+newarr = np.array([10,20,30,50,40])
+print(newarr)
+
+my2darr = np.array([[1,2,39],[58,5,27],[6,57,8]])
+print(my2darr)
+print(np.max(my2darr))
+print(np.min(my2darr))
+print(np.sum(my2darr))
+print(np.sum(my2darr,axis=0)) 
+print(np.sum(my2darr,axis=1))  # axis=0 means rows wise axis=1 means column wise
+print(my2darr.T)
+
+for val in my2darr :
+    for data in val :
+        print(data,end=" ")