python判断和循环

python断定

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

多个if语句
a = 2
b = 1
if a > b:
    print(a)
elif a == b:
    print(b)
elif a < b:
    print(a)

三元表达式
print(a if a > b else b) #打印a如果a大于b的话，否则打印ba = 2
b = 1
if a > b:
    print(a)
else: