Python基础知识一：字符类型 & 柳叶扉鸿

内容目录
age_glaciers = 30
glaciers_salary = 18000
print("都是 int 类型:", type(age_glaciers), type(glaciers_salary))

a = 2.33
b = -3.1415926387
print("都是 float (浮点型):", type(a), type(b))

name = "glaciers"    # 双引号
age = "30"  # 只要加引号就是字符串
age2 = 33   # int
print(name, age, age2)

hometown = 'WuHan'      #单引号也可以
print(hometown)

msg = '''My name is glaciers,
I am 30 years old!
'''
# 3 个引号也可以
print(msg)

msg = '''My name is glaciers,
I'm 30 years old!
'''
# 3 个引号也可以
print(msg)

msg = "My name is glaciers,I'm 30 years old!"       # 需要考虑单双的配合
print(msg)

msg = '''
今天我想写⾸首⼩小诗，
歌颂我的同桌，
你看他那乌⿊黑的短发，
好像⼀一只炸⽑毛鸡。
'''
print(msg)

c = name + age      # 相加其实就是简单拼接
print(c)

multiple = name * 10            # 相乘其实就是复制⾃自⼰己多少次，再拼接在⼀一起
print(multiple)                 # 不不⽤用尝试相减、相除，⾂臣妾办不不到呀。

# d = name + age2                 # 字符串串跟数字相加报错
# print(d)                        # TypeError: can only concatenate str (not "int") to str

a = 13
b = 5
print(a > b)                       # 不不成⽴立就是 False,即假
print(a < b)                       # 成⽴就是 True, 即真
if a > b:
    print("a is bigger than b")
else:
    print('a is smaller than b')