# 数值
a = 1      # 整数
b = 1.5    # 浮点数
# c = 10000L # 长整数
# 复数

print(a)
print(b)  
# print(c)

# 字符串
s = 'hello world!'
print(s)
print(s[0])
print(s[2:5])
print(s[2:])
print(s[:5])
print(s * 2)
print(s + 'TEST')