All operations python dictionary

Dictionary creation # 
# dict1} = { 
# Print (type (dict1)) 
# 
# dict2 = { 
# 'name': 'Feng Wang', 
# 'Sex': 'M', 
# 'HireDate': '1997-10- 20 is ' 
#} 
# Print (dict2) 
# 
# dict3 = dict (name =' Eric ', Age = 28) 
# Print (dict3) 

# operation value 
# = {Employee 
#' name ':' Feng Wang ', 
#' Sex ':' M ', 
#' Grade ':' A ', 
#' HireDate ':' 1997-10-20 ', 
#' the salary ': 1000, 
#' Welfare ': 100 
#} 
# name = Employee [' name ']
# print(name)
#
# sex = employee.get('sex')
# print(sex)
#
# Dept = employee.get ( 'dept' , ' other sectors') 
# Print (Dept) 

# member operator in determining whether the presence of key 
# Print ( 'name' in Employee) True # 
# Print ( 'Dept' in Employee) False # 
# Print ( 'the dept' not in the Employee) True # 

# traversing the dictionary 
# Wang Feng 
# M 
# 1997-10-20 
# for Key in the Employee: 
# v = the Employee [Key] 
# Print (v) 

# name Wang Feng 
# sex M 
# HireDate 1997-10-20 
# for K, V in employee.items (): 
# Print (K, V) 


# single update 
# Employee [ 'Grade'] = 'B' 
# Print (Employee) 
# # plurality update 
# employee.update (the salary = 1200, Welfare = 150) 
# Print (Employee) 
# 
# # Add 
# employee [ 'dept '] =' R & D '
Print # (the Employee) 
# 
# # delete 
# employee.pop ( 'the dept') 
# Print (the Employee) 
# # delete operation to remove the last kv 
# employee.popitem () 
# Print (the Employee) 
# 
# # Empty dictionary 
# employee .clear () 
# Print (Employee) 


# emp1 = { 'name': 'Jacky', 'Grade': 'B', 'HireDate': '1989-10-12'} 
# {EMP2 = 'name': ' Lily ',' Grade ':' A ',' HireDate ':' 1989-10-12 '} 
# 
# # set default setDefault ignore the presence of absence created 
# emp2.setdefault (' grade ',' C ') 
# print (emp2) 

acquired dictionary view # 
# K = emp1.keys () 
# # dict_keys ([ 'name', 'Grade']) 
# Print (K) 
# 
# V = emp1.values()
# # dict_values(['jacky', 'B'])
# print(v)
#
Items emp1.items = # () 
# # dict_items ([( 'name', 'Jacky'), ( 'Grade', 'B')]) 
# Print (items) 

# format string 
# emp_str = "Name: {name}, rating: {grade}, entry time {HireDate}. "format_map (emp1) 
# Print (emp_str) 

# hash 
# h1 of = the hash (" DABC ") 
# # Print (h1 of) 
# # H2 = the hash ( "1231231") 
# # Print (H2) 

# examples 
source = "12345, jace, ercd , php, 5000 $ 2345, clead, ercd, dfd, 5000 $ 22345, clead, ercd, dfd, 5000 $ 32345, clead, ercd, dfd , 5000 " 
employee_list source.split = (" $ ") 
Print (employee_list) 

all_emp} = { 
for I in Range (0, len (employee_list)): 
    # Print (I) 
    E = employee_list [I] .split (", ") 
    # Print (E)
    employee = {'no':e[0],'name':e[1],'www':e[2],'jod':e[3],'salary':e[4]}
    print(employee)
    all_emp[employee['no']] = employee
print(all_emp)

empno = input('编号:')
if empno in all_emp:
    emp = all_emp.get(empno)
    print(emp);
else:
    print('编号不存在')