#
#	Python dict: more.
#
person_1 = {
    "name": "Jane", 
    "dob": "12/08/1997", 
    "city": "Houston"
}

print(f"person_1: {person_1}")
person_1['city'] = 'Galveston';
print(f"person_1 after 'person_1['city'] = 'Galveston'': {person_1}")

print(f"person_1['city']: {person_1['city']}")

print("""
print(f"person_1['state']: {person_1['state']}")
Traceback (most recent call last):
  File "...\dict_more_1.py", line 16, in <module>
    print(f"person_1['state']: {person_1['state']}")
KeyError: 'state'
""")

print("Use the error-safe method get(), which returns a user-specified value if the key cannot be found.")

print(f"person_1.get('city', 'unknown'): {person_1.get('city', 'unknown')}")
print(f"person_1.get('state', 'unknown'): {person_1.get('state', 'unknown')}")

print()
print("Replacing the name key by first and last name.")

del person_1['name']
print("del person_1['name']")
print(f"person_1 : {person_1}")

print("""
person_1['first name'] = 'Jane'
person_1['last name'] = 'Johnson'
""")

person_1['first name'] = 'Jane'
person_1['last name'] = 'Johnson'
print(f"person_1: {person_1}")
print(f"len(person_1): {len(person_1)}")

uhcl = {
    'University abbreviation': 'uhcl',
    'University name': 'University of Houston-Clear Lake',
    'Univesrity state': 'Texas'
}
print(f"uhcl: {uhcl}")
print(f"person_1: {person_1}")
person_1.update(uhcl)
print(f"uhcl: {uhcl}")
print(f"person_1: {person_1}")