added comments to explain the code

PYTHON SCRIPTS/Medical Store Management System.py

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+'''SETUP
+1.	Importing the necessary modules.
+2.	Connectivity of MySQL with python.
+3.	Creating a database named ‘medical’ in MySQL.
+4.	Creating tables ‘bill’, ‘staff’ and ‘stock’ in MySQL using database ‘medical’.
+5.	Writing the required code
+'''
+
+
+import pandas as pd
+import mysql.connector as sql
+conn=sql.connect(host='localhost',user='root',passwd='212005',database='medical')
+if conn.is_connected():
+    print('connected')
+import warnings
+warnings.filterwarnings('ignore')
+
+def menu():
+    print()
+    print('*********************************************')
+    print('     MEDICAL STORE MANAGEMENT SYSTEM         ')
+    print('*********************************************')
+    print()
+    print()
+    print('1. About the project')
+    print('2. Display list of all medicines available in the stock')
+    print('3. Display all medicines in alphabetical order')
+    print('4. Add new medicines purchased in stock table')
+    print('5. Update price of medicine')
+    print('6. Delete a medicine detail from table stock if not available')
+    print('7. Accept customer order and save bill')
+    print('8. Show details of all sales done from table bill')
+    print('9. Enter all customer orders and maintain record')
+    print('10. Total bill to be paid customerwise')
+    print('11. Total medicines bought according to mobile no. (group by)')
+    print('12. Total medicines bought and price of each according to mobile no.')
+    print('13. Add new staff detail in staff table')
+    print('14. Show records of staff table')
+    print('15. Delete staff detail from staff')
+    print('16. Update staff mobile no.')
+    print('*********************************************')
+
+menu()
+
+def about():
+    print('You are welcome in MEDICAL STORE MANAGEMENT SYSTEM. It has 16 choices. It has used 3 tables named as stock, staff and bill')
+
+def showlist():
+    print('Display all details of medicines available')
+    print()
+    df=pd.read_sql('select * from stock',conn)
+    print(df)
+
+def sortmedicines():
+    print('sorting medicine names in ascending order')
+    print()
+    df=pd.read_sql('select * from stock',conn)
+    df=df.sort_values('mname')
+    print(df)
+
+def addstock():
+    c1=conn.cursor()
+    print('Medicines already in stock')
+    print()
+    df=pd.read_sql('select * from stock',conn)
+    print(df)
+    L=[]
+    mcode=input('Enter medicine code:')
+    L.append(mcode)
+    mname=input('Enter name of medicine:')
+    L.append(mname)
+    dateofexp=input('Enter date of expiry:')
+    L.append(dateofexp)
+    quan=input('Enter quantity of medicine:')
+    L.append(quan)
+    price=input('Enter price:')
+    L.append(price)
+    stock=(L)
+    sql='insert into stock(mcode, mname, dateofexp, quan, price)values(%s,%s,%s,%s,%s)'
+    c1.execute(sql,stock)
+    conn.commit()
+    print('Record inserted')
+
+def updatestock():
+    print('Change price of medicine')
+    c1=conn.cursor()
+    print('Old prices')
+    df=pd.read_sql('select * from stock',conn)
+    print(df)
+    c1.execute('Update stock set price=price + 30 where mcode="101"')
+    print('Price increased')
+    print()
+    df=pd.read_sql('select * from stock',conn)
+    print(df)
+
+def deletestock():
+    print('Before any changes in stock')
+    print()
+    df=pd.read_sql('select * from stock',conn)
+    print(df)
+    print()
+    mc=conn.cursor()
+    mc.execute('Delete from stock where mcode="107"')
+    print('Record deleted')
+    df=pd.read_sql('select * from stock',conn)
+    print(df)
+
+def custorder():
+    print('Medicine codes and names and price of each medicine is shown below')
+    print()
+    df=pd.read_sql('select * from stock',conn)
+    print(df)
+    print()
+    print()
+    print()
+    print()
+    print()
+    x=int(input('Enter your medicine code please:'))
+    n=int(input('How much quantity do you want to buy?'))
+    if(x==101):
+        print()
+        print('You have bought Dolo')
+        print()
+        print('Price is Rs.150 each strip')
+        s=150*n
+    elif(x==102):
+        print()
+        print('You have bought Ciplox')
+        print()
+        print('Price is Rs.120 each strip')
+        s=120*n
+    elif(x==103):
+        print()
+        print('You have bought sanitizer')
+        print()
+        print('Price is Rs.220 for 500ml bottle')
+        s=220*n
+    elif(x==104):
+        print()
+        print('You have bought Lifebuoy soap')
+        print()
+        print('Price is Rs.60 per soap')
+        s=60*n
+    elif(x==105):
+        print()
+        print('You have bought surgical mask')
+        print()
+        print('Price is Rs.20 per mask')
+        s=20*n
+    elif(x==106):
+        print()
+        print('You have bought Dettol 200ml')
+        print()
+        print('Price is Rs.90 per 200ml bottle')
+        s=90*n
+    elif(x==107):
+        print()
+        print('You have bought Vicks 50mg')
+        print()
+        print('Price is Rs.50 per 50mg bottle')
+        s=50*n
+    else:
+        print('Please enter correct medicine code')
+    print('Your bill is: Rs. ',s,'\n')
+
+def billrecords():
+    print('Display contact no. of customers and medicines purchased')
+    print()
+    df=pd.read_sql('select * from bill',conn)
+    print(df)
+
+def recordorder():
+    print('List and price of medicines')
+    print()
+    df=pd.read_sql('select * from stock',conn)
+    print(df)
+    print()
+    print('Insert into bill records new sale')
+    mc=conn.cursor()
+    L=[]
+    mno=input('Enter mobile no.:')
+    L.append(mno)
+    itemcode=input('Enter item code:')
+    L.append(itemcode)
+    itemname=input('Enter item name:')
+    L.append(itemname)
+    q=input('Enter quantity:')
+    L.append(q)
+    price=input('Enter price per piece:')
+    L.append(price)
+    billrec=(L)
+    sql='insert into bill(mobile,mcode, mname, quan, price)values(%s,%s,%s,%s,%s)'
+    mc.execute(sql,billrec)
+    conn.commit()
+    print('Record inserted')
+
+def sumbillbycust():
+    df=pd.read_sql('select * from bill',conn)
+    print(df)
+    print('Total money spent on various medicines by a customer')
+
+    m=float(input('mobile:'))
+    print('Your order')
+    print()
+    print()
+    qry='select mname, quan, price from bill where mobile=%s;'%(m,)
+    df=pd.read_sql(qry,conn)
+    print(df)
+    qry1='select quan*price as "Total cost of each item" from bill where mobile=%s;'%(m,)
+    df=pd.read_sql(qry1,conn)
+    print(df)
+    print()
+    print()
+    qry2='select sum(quan*price) as "You have to pay" from bill where mobile=%s;'%(m,)
+    df=pd.read_sql(qry2,conn)
+    print(df)
+
+def groupby():
+    mc=conn.cursor()
+    df=pd.read_sql('select * from bill',conn)
+    print(df)
+    print()
+    print('Total quantity of each item sold along with its code and name')
+
+    mc.execute('select mcode,sum(quan) from bill where mobile="9876515389"')
+    for x in mc:
+        print(x)
+
+def searchbymobile():
+    df=pd.read_sql('select * from bill',conn)
+    print(df)
+    print()
+    print('Enter your mobile no. to find details of your purchasing')
+    m=float(input('mobile:'))
+    qry='select mname, quan, price from bill where mobile=%s;'%(m,)
+    df=pd.read_sql(qry,conn)
+    print(df)
+
+def interstaff():
+    c1=conn.cursor()
+    df=pd.read_sql('select * from staff', conn)
+    print(df)
+    print('Old satff details')
+    print()
+
+    print('Enter new staff information')
+    print()
+    sid=int(input('Enter ID of staff:'))
+    name=input('Enter staff name:')
+    age=int(input('Enter age:'))
+    profile=input('Enter work profile:')
+    mobile=int(input('Enter mobile number:'))
+    sql_insert='insert into staff values('''+str(sid)+',"'+name+'",'+str(age)+',"'+profile+'",'+str(mobile)+')'
+    c1.execute(sql_insert)
+    print('Successfully Registered')
+    conn.commit()
+
+def showstaff():
+    print('All record of staff details')
+    print()
+    df=pd.read_sql('select * from staff', conn)
+    print(df)
+
+def deletestaff():
+    df=pd.read_sql('select * from staff', conn)
+    print(df)
+    print('Before any changes in staff')
+    print()
+    print()
+    mc=conn.cursor()
+    mc.execute('delete from staff where sid="203"')
+    print('Record deleted')
+    df=pd.read_sql('select * from staff', conn)
+    print(df)
+
+def updatestaff():
+    print('Before any changes in the staff mobile no.')
+    df=pd.read_sql('select * from staff', conn)
+    print(df)
+    print()
+    print()
+    mc=conn.cursor()
+    mc.execute('update staff set mobile="8562300016" where name="Reshma Tiwari"')
+    df=pd.read_sql('select * from staff', conn)
+    print('New mobile number')
+    print(df)
+
+opt=''
+opt=int(input('Enter your choice"'))
+if opt==1:
+    about()
+elif opt==2:
+    showlist()
+elif opt==3:
+    sortmedicines()
+elif opt==4:
+    addstock()
+elif opt==5:
+    updatestock()
+elif opt==6:
+    deletestock()
+elif opt==7:
+    custorder()
+elif opt==8:
+    billrecords()
+elif opt==9:
+    recordorder()
+elif opt==10:
+    sumbillbycust()
+elif opt==11:
+    groupby()
+elif opt==12:
+    searchbymobile()
+elif opt==13:
+    interstaff()
+elif opt==14:
+    showstaff()
+elif opt==15:
+    deletestaff()
+elif opt==16:
+    updatestaff()
+else:
+    print('invalid option')
+
+import winsound
+winsound.Beep(1000,300)
+
+
+
+