Case Study Baseball Team Manager. CMSC 135 Python Chapter 7 Assignment: Use a file to save...
Case Study Baseball Team Manager. CMSC 135 Python Chapter 7
Assignment: Use a file to save the data
Update the program so it reads the player data from a file when the program starts andwrites the player data to a file anytime the data is changed
What needs to be updated: Specifications
- Use a CSV file to store the lineup.
- Store the functions for writing and reading the file of players in a separate module than the rest of the program.
This is what I have so far.
players=[['joe','P',10,2,0.2],['Tom','SS',11,4,0.364],['Ben','3B',0,0,0.0]] # creating an list of lists with few playes information
position=('C','1B','2B','3B','SS','LF','CF','RF','P') # creating a tuple for storing valid positions
choice=0 # choice variable for taking user's menu choice
lineup=1 # lineup to take the lineup number from user
flag=0 # used to check whether the position entered is valid or
not
numOfPlayers=3 # to keep hold on the number of players
print("MENU OPTIONS") # display the menu
print("1-Display lineup")
print("2-Add player")
print("3-Remove Player")
print("4-Move player")
print("5-Edit player position")
print("6-Edit player stats")
print("7-Exit program")
while choice!=7: # loop till the choice of user is not equal to 7
choice=int(input("Menu Option:")) # take user's menu option in variable choice
if choice==1: # if choice is 1
lineup=1
for player in players: # loop through the list and display each
players' information
print(str(lineup),end=' ')
for item in player:
print(str(item),end=' ')
lineup=lineup+1
print()
elif choice==2: # if the user's choice is 2
name=input("Name:") # take name and position from user
pos=input("Position")
flag=0
while flag==0: # if user is provided valid position
for item in position: # set flag to 1 and come out of loop
if item==pos: # else keep on looping till valid position is
provided
flag=1
if flag==0:
print("Incorrect position")
pos=input("Position:")
AB=int(input("At bats:")) # take at bats and hits value from
user
hit=int(input("Hits:"))
if AB!=0: # if at bats is not 0, set avg as hits / at bats
avg=float(hit)/float(AB) # else set avg as 0
else:
avg=0
NewPlayer=[name,pos,AB,hit,avg] # create a list as newPlayer, and
update the list with new info
players.append(NewPlayer) # append the list newplayer to players
list
numOfPlayers=numOfPlayers+1 # increment number of players by 1
elif choice==3: # if choice is 3
lineup=int(input("lineup number:")) # take lineup number from
user
while lineup>numOfPlayers: # if lineup number is greater than
number of player
print("Please enter the correct lineup number:") # then show
appropriate info and again ask for lineup number
lineup=int(input("lineup number:")) # display the player's
information with specified lineup
print("You selected " + str(players[lineup-1][0]) + " "+
str(players[lineup-1][1]) +" "+ str(players[lineup-1][2]) +" "+
str(players[lineup-1][3]) +" "+ str(players[lineup-1][4]))
del players[lineup-1] # delete the player with specified
lineup
numOfPlayers=numOfPlayers-1 # decrement num of players by 1
print("The player with lineup number " + str(lineup) + " has been
removed")
elif choice==4: # if choice is 4
current_lineup=int(input("Current lineup number:")) # take current
lineup from user and print the player's info
print("You selected " + str(players[current_lineup-1][0]))
new_lineup=int(input("New lineup number:")) # take new lineup
from user
i=0
while i<5: # swap all the data between the given lineups
temp=players[current_lineup-1][i]
players[current_lineup-1][i]=players[new_lineup-1][i]
players[new_lineup-1][i]=temp
i=i+1
print(str(players[new_lineup-1][0]) + " was moved")
elif choice==5: # if choice is 5
lineup=int(input("lineup number:")) # take line up from user
while lineup>numOfPlayers: # show appropriate message and again
ask for lineup if incorrect
print("Please enter the correct lineup number:") # lineup is
provided
lineup=int(input("lineup number:"))
print("You selected " + str(players[lineup-1][0]) + " Pos=" +
str(players[lineup-1][1])) # show player's information
pos=input("Position:") # Ask the position to change
flag=0
while flag==0: # get appropriate position, if incorrect position is
specified
for item in position:
if item==pos:
flag=1
if flag==0:
print("Incorrect position")
pos=input("Position:")
players[lineup-1][1]=pos # update the player's information with
new position
print(str(players[lineup-1][0]) + " updated")
elif choice==6: # if choice is 6
lineup=int(input("lineup number:")) # take correct lineup number
from user
while lineup>numOfPlayers:
print("Please enter the correct lineup number:")
lineup=int(input("lineup number:"))
print("You selected " + str(players[lineup-1][0]) + " AB=" +
str(players[lineup-1][2]) + " hits=" +
str(players[lineup-1][3]))
AB=int(input("At bats:")) # take the value of at bats and hits from
user
hit=int(input("Hits:"))
players[lineup-1][2]=AB # update the player's information with
new at bats and hots
players[lineup-1][3]=hit
if AB==0: # also calculate average and update
players[lineup-1][4]=0
else:
players[lineup-1][4]=float(hit)/float(AB)
print(str(players[lineup-1][0]) + " updated")
elif choice==7: # if choice is 7, print break and come out of
the loop
print("Au revoir!")
Homework Answers
Helper.py , Module
import csv
def readData():
players = []
with open('bball.csv', 'r') as csvfile:
csvreader = csv.reader(csvfile)
for row in csvreader:
players.append(row)
return players
def saveData(players):
with open('bball.csv', 'w',newline='') as csvfile:
csvwriter = csv.writer(csvfile)
csvwriter.writerows(players)
Code :
import csv
from helper import *
players = readData()
#players=[['joe','P',10,2,0.2],['Tom','SS',11,4,0.364],['Ben','3B',0,0,0.0]]
# creating an list of lists with few playes information
position=('C','1B','2B','3B','SS','LF','CF','RF','P') # creating a tuple for storing valid positions
choice=0 # choice variable for taking user's menu choice
lineup=1 # lineup to take the lineup number from user
flag=0 # used to check whether the position entered is valid or
not
numOfPlayers=3 # to keep hold on the number of players
print("MENU OPTIONS") # display the menu
print("1-Display lineup")
print("2-Add player")
print("3-Remove Player")
print("4-Move player")
print("5-Edit player position")
print("6-Edit player stats")
print("7-Exit program")
while choice!=7: # loop till the choice of user is not equal to 7
choice=int(input("Menu Option:")) # take user's menu option in
variable choice
if choice==1: # if choice is 1
lineup=1
for player in players: # loop through the list and display each
players' information
print(str(lineup),end=' ')
for item in player:
print(str(item),end=' ')
lineup=lineup+1
print()
elif choice==2: # if the user's choice is 2
name=input("Name:") # take name and position from user
pos=input("Position:")
flag=0
while flag==0: # if user is provided valid position
for item in position: # set flag to 1 and come out of loop
if item==pos: # else keep on looping till valid position is
provided
flag=1
if flag==0:
print("Incorrect position")
pos=input("Position:")
AB=int(input("At bats:")) # take at bats and hits value from
user
hit=int(input("Hits:"))
if AB!=0: # if at bats is not 0, set avg as hits / at bats
avg=float(hit)/float(AB) # else set avg as 0
else:
avg=0
NewPlayer=[name,pos,AB,hit,avg] # create a list as newPlayer, and
update the list with new info
players.append(NewPlayer) # append the list newplayer to players
list
numOfPlayers=numOfPlayers+1 # increment number of players by
1
saveData(players)
elif choice==3: # if choice is 3
lineup=int(input("lineup number:")) # take lineup number from
user
while lineup>=numOfPlayers: # if lineup number is greater than
number of player
print("Please enter the correct lineup number:") # then show
appropriate info and again ask for lineup number
lineup=int(input("lineup number:")) # display the player's
information with specified lineup
print("You selected " + str(players[lineup-1][0]) + " "+
str(players[lineup-1][1]) +" "+ str(players[lineup-1][2]) +" "+
str(players[lineup-1][3]) +" "+ str(players[lineup-1][4]))
del players[lineup-1] # delete the player with specified
lineup
numOfPlayers=numOfPlayers-1 # decrement num of players by 1
print("The player with lineup number " + str(lineup) + " has been
removed")
saveData(players)
elif choice==4: # if choice is 4
current_lineup=int(input("Current lineup number:")) # take current
lineup from user and print the player's info
print("You selected " + str(players[current_lineup-1][0]))
new_lineup=int(input("New lineup number:")) # take new lineup from
user
i=0
while i<5: # swap all the data between the given lineups
temp=players[current_lineup-1][i]
players[current_lineup-1][i]=players[new_lineup-1][i]
players[new_lineup-1][i]=temp
i=i+1
print(str(players[new_lineup-1][0]) + " was moved")
saveData(players)
elif choice==5: # if choice is 5
lineup=int(input("lineup number:")) # take line up from user
while lineup>numOfPlayers: # show appropriate message and again
ask for lineup if incorrect
print("Please enter the correct lineup number:") # lineup is
provided
lineup=int(input("lineup number:"))
print("You selected " + str(players[lineup-1][0]) + " Pos=" +
str(players[lineup-1][1])) # show player's information
pos=input("Position:") # Ask the position to change
flag=0
while flag==0: # get appropriate position, if incorrect position is
specified
for item in position:
if item==pos:
flag=1
if flag==0:
print("Incorrect position")
pos=input("Position:")
players[lineup-1][1]=pos # update the player's information with new
position
print(str(players[lineup-1][0]) + " updated")
saveData(players)
elif choice==6: # if choice is 6
lineup=int(input("lineup number:")) # take correct lineup number
from user
while lineup>numOfPlayers:
print("Please enter the correct lineup number:")
lineup=int(input("lineup number:"))
print("You selected " + str(players[lineup-1][0]) + " AB=" +
str(players[lineup-1][2]) + " hits=" +
str(players[lineup-1][3]))
AB=int(input("At bats:")) # take the value of at bats and hits from
user
hit=int(input("Hits:"))
players[lineup-1][2]=AB # update the player's information with new
at bats and hots
players[lineup-1][3]=hit
if AB==0: # also calculate average and update
players[lineup-1][4]=0
else:
players[lineup-1][4]=float(hit)/float(AB)
print(str(players[lineup-1][0]) + " updated")
saveData(players)
elif choice==7: # if choice is 7, print break and come out of the
loop
saveData(players)
print("Au revoir!")
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Chapter 8
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This what I have so far.
def display_menu():
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