17.19 Ch 8 Program: Soccer team roster (Dictionaries) (Python 3) This program wi

Question

17.19 Ch 8 Program: Soccer team roster (Dictionaries) (Python 3)

This program will store roster and rating information for a soccer team. Coaches rate players during tryouts to ensure a balanced team.

(1) Prompt the user to input five pairs of numbers: A player's jersey number (0 - 99) and the player's rating (1 - 9). Store the jersey numbers and the ratings in a dictionary. Output the dictionary's elements with the jersey numbers in ascending order (i.e., output the roster from smallest to largest jersey number). Hint: Dictionary keys can be stored in a sorted list. (3 pts)

Ex:

(2) Implement a menu of options for a user to modify the roster. Each option is represented by a single character. The program initially outputs the menu, and outputs the menu after a user chooses an option. The program ends when the user chooses the option to Quit. For this step, the other options do nothing. (2 pts)

Ex:

(3) Implement the "Output roster" menu option. (1 pt)

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(4) Implement the "Add player" menu option. Prompt the user for a new player's jersey number and rating. Append the values to the two vectors. (1 pt)

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(5) Implement the "Delete player" menu option. Prompt the user for a player's jersey number. Remove the player from the roster (delete the jersey number and rating). (1 pt)

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(6) Implement the "Update player rating" menu option. Prompt the user for a player's jersey number. Prompt again for a new rating for the player, and then change that player's rating. (1 pt)

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(7) Implement the "Output players above a rating" menu option. Prompt the user for a rating. Print the jersey number and rating for all players with ratings above the entered value. (2 pts)

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Explanation / Answer

def add(d):
   n = input("Enter a new player's jersey number:")
   r = input("Enter the player's rating:")
   if n in d.keys():
       print("The player exists in the roster.")
       return d
   d[n] = r
   return d
def add1(d,i):
   n = input("Enter the jersey number for player "+str(i)+":")
   r = input("Enter the rating for player "+str(i)+":")
   if n in d.keys():
       print("The player exists in the roster.")
       return [d,i]
   d[n] = r
   return [d,i+1]
def rmv(d):
   n = input("Enter a player's jersey number:")
   if n in d.keys():
       del d[n]
       return d
   print("There is no such player.")
   return d
def output(d):
   l = sorted(d.keys())
   print("ROSTER")
   for i in l:
       print("Jersey number: "+str(i)+", Rating: "+str(d[i]))
def outputr(d):
   r = input("Enter a rating:")
   print("ABOVE "+str(r))
   l = sorted(d.keys())
   for i in l:
       if(d[i]>r):
           print("Jersey number: "+str(i)+", Rating: "+str(d[i]))
def update(d):
   n = input("Enter a player's jersey number:")
   r = input("Enter the player's new rating:")
   if n not in d.keys():
       print("The player does not exist in the roster.")
       return d
   d[n] = r
   return d
d= {}
i=1
l=[{},6]
while(i<6):
   l = add1(d,i)
   d = l[0]
   i = l[1]
output(d)
while(True):
   s = """MENU
a - Add player
d - Remove player
u - Update player rating
r - Output players above a rating
o - Output roster
q - Quit

Choose an option:"""
   c = str(input(s))
   #print(c)
   if(c == "q"):
       break
   elif(c == "a"):
       d = add(d)
   elif(c == "d"):
       d = rmv(d)
   elif(c == "u"):
       d = update(d)
   elif(c == "r"):
       outputr(d)
   elif(c == "o"):
       output(d)

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