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133 | database = {'entries': []}
SRNO = 'srno'
NAME = 'name'
AGE = 'age'
GENDER = 'gender'
OCCUPATION = 'occupation'
def get_serial_no():
return len(database['entries']) + 1
def add_entry(entry):
entry = {
'srno': get_serial_no(),
'name': entry['name'],
'age': entry['age'],
'gender': entry['gender'],
'occupation': entry['occupation']
}
database['entries'].append(entry)
def check_entry_presence(value):
for num, entry in enumerate(database['entries']):
if entry[value[0]] == value[1]:
return 1
return 0
def search_entry(value):
for num, entry in enumerate(database['entries']):
if entry[value[0]] == value[1]:
return entry
def update_entry(value, updated_entry):
for num, entry in enumerate(database['entries']):
if entry[value[0]] == value[1]:
database['entries'][num] == updated_entry
def delete_entry(value):
for num, entry in enumerate(database['entries']):
if entry[value[0]] == value[1]:
database['entries'].remove(entry)
def display_entry(entry):
print(f"SRNO: {entry['srno']}")
print(f"Name: {entry['name']}")
print(f"Age: {entry['age']}")
print(f"Gender: {entry['gender']}")
print(f"Occupation: {entry['occupation']}\n")
def display_all_entries():
for entry in database["entries"]:
display_entry(entry)
def select_entry_and_value():
value_type = ''
value = ''
while 1:
print('Choose an entry based on which to search entries in database: ')
print("1. srno")
print("2. name")
print("3. age")
print("4. gender")
print("5. occupation")
choice = int(input("Enter your choice: "))
if choice < 1 or choice > 5:
print("Invalid input...please try again")
else:
if choice == 1:
value_type = SRNO
value = input("Enter serial number to search: ")
return (value_type, value)
elif choice == 2:
value_type = NAME
value = input("Enter name to search: ")
return (value_type, value)
elif choice == 3:
value_type = AGE
value = input("Enter age to search: ")
return (value_type, value)
elif choice == 4:
value_type = GENDER
value = input("Enter gender to search: ")
return (value_type, value)
elif choice == 5:
value_type = OCCUPATION
value = input("Enter occupation to search: ")
return (value_type, value)
def get_entry_details():
output = {}
output[NAME] = input("Enter name: ")
output[AGE] = input("Enter age: ")
output[GENDER] = input("Enter gender: ")
output[OCCUPATION] = input("Enter occupation: ")
return output
print("===== Welcome To User Management System =====")
while 1:
print("\n What would you like to do:-")
print("1. Add an entry")
print("2. Update an entry")
print("3. Delete an entry")
print("4. Search an entry")
print("5. Display all entries")
print("6. Exit")
choice = int(input("Enter your choice: "))
if choice > 7 or choice < 1:
print("Invalid input...please try again")
else:
if choice == 1:
print("Enter details for the new entry:-")
entry = get_entry_details()
add_entry(entry)
print("Entry successfully created...")
elif choice == 2:
value = select_entry_and_value()
print('Enter the details of the updated entry:-')
entry = get_entry_details()
update_entry(value, entry)
print("Entry successfully updated...")
elif choice == 3:
value = select_entry_and_value()
delete_entry(value)
print("Entry successfully deleted...")
elif choice == 4:
value = select_entry_and_value()
entry = search_entry(value)
display_entry(entry)
elif choice == 5:
display_all_entries()
elif choice == 6:
print('Exiting')
break
|
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