Python3 代码

n = int(input())

d = {"coneys" : 0, "rats" : 0, "frogs" : 0}

for i in range (n):
    e = input().split()
    if e[1] == "C":
        d["coneys"] += int(e[0])
    elif e[1] == "R":
        d["rats"] += int(e[0])
    elif e[1] == "F":
        d["frogs"] += int(e[0])

total = 0
for x in d:
    total += d[x]

print ("Total:", total, "animals")
print ("Total coneys:", d["coneys"])
print ("Total rats:", d["rats"])
print ("Total frogs:", d["frogs"])
print ("Percentage of coneys:",f'{d["coneys"] * 100/total:.2f}', "%")
print ("Percentage of rats:", f'{d["rats"] * 100/total:.2f}',  "%")
print ("Percentage of frogs:", f'{d["frogs"] * 100/total:.2f}', "%")