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# 慢速代碼
name = "Alice"
age = 30
print("My name is " + name + " and I am " + str(age) + " years old")
# 快速代碼
print("My name is {} and I am {} years old".format(name, age))
# 慢速代碼
squares = []
for i in range(10):
squares.append(i ** 2)
print(squares)
# 快速代碼
squares = [i ** 2 for i in range(10)]
print(squares)
# 慢速代碼
squares = [i ** 2 for i in range(10)]
# 快速代碼
squares = (i ** 2 for i in range(10))
# 慢速代碼
for i in range(10):
for j in range(10):
print(i, j)
# 快速代碼
for i in range(10):
print(i, j for j in range(10))
# 慢速代碼
names = ["Alice", "Bob", "Charlie"]
ages = [30, 25, 35]
for i in range(len(names)):
print("My name is {} and I am {} years old".format(names[i], ages[i]))
# 快速代碼
people = {"Alice": 30, "Bob": 25, "Charlie": 35}
for name, age in people.items():
print("My name is {} and I am {} years old".format(name, age))
這些技巧可以幫助提高Python代碼的打印效率。
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