创建字符串

s1 = 'hello'
print(s1)
s2 = "hello"
print(s2)
s3 = '''2024
hello
world'''
print(s3)

s4 = "it's a hat"
print(s4)

s5 = '1234'"666'
print(s5)

字符串的拼接

print('**************')
print(s1 + s3 + s5)
n = 5

print(s1 + n) # 字符串与数字不能相加

字符串的乘法

print('-----字符串的乘法-------')
print(s1 * 2)
print('*' * 20)
print(3 * 'happy')