1111112222333445

tangjunxi

print()#1
print("hello World")

len()#2
s="hello world!"
n=len(s)
print(n)

input()#3
name=input("请输入您的姓名:")
print("您的姓名是"+name)

range()#4
for i  in range(1,5):
    print(i)

str()#5
n=42
s=str(s)
print(n)

int()#6
s="42"
n=int(s)
print(n)

float#7
s="3.14"
n=float(s)
print(n)

type()#8
n=42
print(type(n))

list()#9
s="Hello"
c=list(s)
print(c)

tuple()#10
lst=[1,2,3]
t=tuple(lst)
print(t)