Python学习杂记_10_三元运算符

Posted 2020-09-21

常用三元运算符来简化分支和循环的代码：

 

分支简化：

a = 1
b = 2
c = a if a > 1 else b
print(c)

# 以上几行等同于

a = 1
b = 2
if a >1:
    c = a
else:
    c = b
print(c)

 

循环简化：

nums = list(range(1,11))
s = [i for i in nums if i % 2 == 0]
print(s)

# 以上代码等同于

s = []
nums = list(range(1,11))
for i in nums:
    if i % 2 == 0:
        s.append(i)
print(s)