資源簡介
代碼片段和文件信息
import?re
import?os
filename?=?“studentsystem.txt“
def?main():
ctrl?=??True
while?(ctrl):
menu()
option?=?input(“Pleaseinput?your?choice:“)
option_str?=?re.sub(“\D“?““?option)
if?option_str?in?[“0“?“1“?“2“?“3“?“4“?“5“?“6“?“7“]:
option_int?=?int(option_str)
if?option_int?==?0:
print(“You?have?exited?the?system!“)
exit()
elif?option_int?==?1:
insert()
elif?option_int?==?2:
search()
elif?option_int?==?3:
delete()
elif?option_int?==?4:
modify()
elif?option_int?==?5:
sort()
elif?option_int?==?6:
total()
elif?option_int?==?7:
show()
def?menu():
print(‘‘‘
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