ChuckleQu

# Arithmetic Operators in Python
# Integers

print('Division without remainder', 7 // 2)    # Gives without floating number or without the remainder
print('Modulus', 3 % 2)                        # Gives the remainder
print('Exponentiation:', 3 ** 2)               # it mean 3^2

print('Mutiplying complex numbers:', (1+1j) * (1-1j))

ChuckleQu

# Casting（转换）：将一种数据类型转换为另一种数据类型

# int to float
num_int = 10
print('num_int:', num_int)            # 10
num_float = float(num_int)
print('num_float:', num_float)        # 10.0

# float to int
gravity = 9.81

ChuckleQu

# Introduction
# Day 1 - 30DaysOfPython Challenge

print(2 + 3)   # addition(+)
print(3 - 1)   # subtraction(-)
print(2 * 3)   # multiplication(*)
print(3 / 2)   # division(/)
print(3 ** 2)  # exponential(**)
print(3 % 2)   # modulus(%)
print(3 // 2)  # Floor division operator(//)