#input and output
a=input()
print(a)

#Built-in Functions
#https://docs.python.org/3/library/functions.html
#https://www.jb51.net/article/60896.htm
help(abs)

#calculation
abs(-1)
max(1,2,3)
min(1,2,3)
len('apple')
divmod(10,3) #return(10/3,10%3)
pow(2,4)   #2**4
pow(2,3,7) #2**3%4
round(1.3)  #1

#
callable(abs)
isinstance(2,str)

#format
int('123')
int(12.34)
float('12.34')
str(1.23)
str(100)
bool(1)
bool('')


#define function

