pythonによる簡単な学習者情報管理システムの作成
21577 ワード
具体的な考え方:まず、1つの辞書で学習者の情報を格納する(「no」は学号が唯一であり、名前、年齢、クラス、成績の重複現象は現れないため)「no」学号で学習者の集団情報 を表す.は、このシステムのすべての機能 をユーザに伝える.は、各機能 をメソッド(関数)により記憶する.は最後にメイン関数main()によってこれらの機能 を呼び出す.
#
#
all_stu={"01":{"no":"01","name":" ","age":23,"cla":" ","achi":87}}
def ser():
print("===========================")
print("--------- ----------")
print("1: ")
print("2: ")
print("3: ")
print("4: ")
print("5: ")
print("6: ")
print("7: ")
print("8: ")
print("===========================")
#
def add_mem():
stu_no = input(" ")
if stu_no not in all_stu:
stu_name = input(" ")
stu_age = int(input(" "))
stu_cla = input(" ")
stu_achi = int(input(" "))
stu_sum = {"no":stu_no,"name":stu_name,"age":stu_age,"cla":stu_cla,"achi":stu_achi}
all_stu[stu_no]=stu_sum
print(" ")
else:
print(" ")
#
def del_stu():
while True:
stu_no = input(" ")
if stu_no in all_stu:
del all_stu[stu_no]
return
else:
print(" ")
#
def mod_stu():
while True:
stu_no = input(" ")
if stu_no in all_stu:
new_name = input(" ")
new_age = int(input(" "))
new_cla = input(" ")
new_achi = int(input(" "))
stu_sum = {"no": stu_no, "name": new_name, "age": new_age, "cla": new_cla,"achi":new_achi}
all_stu[stu_no] = stu_sum
return
else:
print(" ！")
#
def que_stu():
while True:
stu_no = input(" ")
if stu_no in all_stu:
str_dick = all_stu[stu_no]
print(str_dick)
return
else:
print(" ")
# key volue （ ）
def show_stu():
for inm in all_stu.values():
print("="*33)
print(" ：%s*** ：%s*** ：%d*** ：%s*** ：%d " %(inm["no"],inm["name"],inm["age"],inm["cla"],inm["achi"]))
print("========== ==========")
#
def aver_stu():
l = len(all_stu)
sum = 0
for irm in all_stu.values():
sm = irm["achi"]
sum+=sm
ss = sum/l
print(" ：%d" %ss)
#
def pas_stu():
l = len(all_stu)
sum = 0
for irm in all_stu.values():
sm = irm["achi"]
if sm>60 and sm<100:
sum += 1
ss=sum/l*100
print(" ：%d%%"%ss)
#
def main():
while True:
ser()
sel_fun=int(input(" :"))
#
if sel_fun == 1:
add_mem()
print(all_stu)
#
elif sel_fun == 2:
del_stu()
# print(all_stu)
#
elif sel_fun == 3:
mod_stu()
# print(all_stu)
#
elif sel_fun == 4:
que_stu()
#
elif sel_fun == 5:
show_stu()
#
elif sel_fun == 7:
aver_stu()
#
elif sel_fun ==8:
pas_stu()
#
elif sel_fun == 6:
return
main()