print('hello world')
print('Ashkan')

print('------------------')
print(type(4))  # returns integer number type
print(type(3.0))  # returns float number type
print(type(1j))  # returs complex type
print(type('Ashkan'))  # returns string type
# int -> integer
# str -> string
print('-------------------')

print(49 / 7)  # division always returns float
print(49 - 7)
print(49 + 7)
print(4 * 7)

# operators : + - * /
# operators : ** % //
print('-------------------')

# **
print(4 ** 2)  # means : 4 in power of 2
print(25 ** 0.5)

print('--------------------')

# %  : returns what remains from division

print(34 / 11)

print(34 % 11)
print(48 % 2)
print(49 % 2)

print('--------------------')

# // : returns integer part of a division

print((34 - (34 % 11)) / 11)  # returns float
print(34 // 11)