python程式設計從入門到實踐-第六章習題

動手試一試

6.1人

a={"first name":"guo","last name":"gang","city":"xi'an","age":};
print(a["first name"]);
print(a["last name"]);
print(a["city"]);
print(a["age"]);
           

6.5河流

a={'niluohe':'aiji',
    'changjiang':'zhongguo',
   'yamaxun':'baxi'};
for key in a:
    print(key);
for value in  a.values():
    print(value);
           

6.6操作

favorite_languages = {
      'jen': 'python',
      'sarah': 'c',
      'edward': 'ruby',
      'phil': 'python',
      }
for name, language in favorite_languages.items():
    print(name.title() + "'s favorite language is " +language.title() + ".");
    a=['jen','phil'];
    for key in favorite_languages:
        if key in a:
            print("thank you");
        else:
            print("invite");
           

6.7人

a={"first name":"guo","last name":"gang","city":"xi'an","age":};
b={"first name":"liu","last name":"xing","city":"xi'an","age":};
c={"first name":"xing","last name":"liu","city":"xi'an","age":};
people=[a,b,c];
for cell in people:
    for key,value in cell.items():
        print(key);
        print(value);
           

6.9喜歡的地方

a={"one":["001","002"],"two":["002","003"],"three":["001","003"]};
for key,value in a.items():
    print(key);
    for cell in value:
        print(cell);
           

6.11城市

city={
    "001":
    {"people":"100","country":"China"},
    "002":
    {"people":"80","country":"America"},
    "003":
    {"people":"60","country":"Austrail"}
}
for key,value in city.items():
    print(key);
    for cell,value1 in value.items():
        print(cell);
        print(value1);