ch3_10.py

# ch3_10.py
x = -10
print("以下輸出abs( )函數的應用")
print(x)            # 輸出x變數
print(abs(x))       # 輸出abs(x)
print("-----------------------")
x = 5
y = 3
print("以下輸出pow( )函數的應用")
print(pow(x, y))    # 輸出pow(x,y)
print("-----------------------")
x = 47.5
print("以下輸出round(x)函數的應用")
print(x)            # 輸出x變數
print(round(x))     # 輸出round(x)
print("-----------------------")
x = 48.5
print(x)            # 輸出x變數
print(round(x))     # 輸出round(x)
print("-----------------------")
x = 49.5
print(x)            # 輸出x變數
print(round(x))     # 輸出round(x)
print("-----------------------")
print("以下輸出round(x,n)函數的應用")
x = 2.15
print(x)            # 輸出x變數
print(round(x,1))   # 輸出round(x,1)
print("-----------------------")
x = 2.25
print(x)            # 輸出x變數
print(round(x,1))   # 輸出round(x,1)
print("-----------------------")
x = 2.151
print(x)            # 輸出x變數
print(round(x,1))   # 輸出round(x,1)
print("-----------------------")
x = 2.251
print(x)            # 輸出x變數
print(round(x,1))   # 輸出round(x,1)
print("-----------------------")