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下载习题
| AlienColor = 'green' |
| if AlienColor == 'green': |
| print("Player gets 5 points.") |
| AlienColor = 'green' |
| if AlienColor == 'green': |
| print("Player gets 5 points by shooting this alien.") |
| else: |
| print("Player gets 10 points.") |
| AlienColor = 'green' |
| if AlienColor == 'green': |
| print("Player gets 5 points.") |
| elif AlienColor == 'yellow': |
| print("Player gets 10 points.") |
| else: |
| print("Player gets 15 points.") |
| age = 24 |
| if age < 2: |
| print("It's a baby") |
| elif age >= 2 and age < 4: |
| print("It's a child") |
| elif age >= 4 and age < 13: |
| print("It's a tween") |
| elif age >= 13 and age < 18: |
| print("It's a teenager") |
| elif age >= 18 and age < 65: |
| print("It's an adult") |
| else: |
| print("It's an elder") |
| |
| |
| age = 24 |
| if age < 2: |
| print("It's a baby") |
| elif 2 <= age < 4: |
| print("It's a child") |
| elif 4 <= age < 13: |
| print("It's a tween") |
| elif 13 <= age < 18: |
| print("It's a teenager") |
| elif 18 <= age < 65: |
| print("It's an adult") |
| else: |
| print("It's an elder") |
| a = [] |
| if len(a) == 0: |
| print("Empty.") |
| else: |
| print("Not empty.") |
| |
| |
| if not a: |
| print("Empty.") |
| else: |
| print("Not empty.") |
| a = ["str, 12345", ('tunpe', 2) ,{'dict':{'dict': {'dict': 4}}}] |
| for i in range(len(a)): |
| if i == 0: |
| print(a[i], end=' ') |
| elif i == 1: |
| for j in a[i]: |
| print(j, end=' ') |
| elif i == 2: |
| for k1, v1 in a[i].items(): |
| print(f"key: {k1}, value: {v1}") |
| for k2, v2 in v1.items(): |
| print(f"key: {k2}, value: {v2}") |
| for k3, v3 in v2.items(): |
| print(f"key: {k3}, value: {v3}", end=' ') |
| print() |
| name = ['lys', 'wjq', 'hfcj', 'xhz', 'jcg'] |
| age = [104, 504, 1909, 14, 3.14] |
| info = {k:v + 10 for k, v in zip(name, age)} |
| for k, v in info.items(): |
| print(f"Name: {k}, NowAge: {v}") |