非常长的字符串换行
## 三个双引号
line = """
this is a very very very very
very very very very very very
very very very very very very
long string
"""
line
## 三个单引号
longstring1 = '''this is a long long long long long long long
string'''
print(longstring1)
## 反斜杠
line = 'this is a \
very very very long string'
line
line = (
"this is a"
"very very very very"
"long string"
)
line
普通换行
## 反斜杠
a = 1
b = 2
c = a +\
b
print(c)
##################
print(1,2,3,
4,5,6)