邏輯運算優先順序(not,and,or)
阿新 • • 發佈:2018-12-11
邏輯運算優先順序(not,and,or):
優先順序:not>and>or
print(1 > 4 and 6 > 9 or 4 > 3 and 5 == 5 or 9 == 0 and 6 != 4) # T or T or F # T or F # T #and or not #優先順序,()> not > and > or # print(2 > 1 and 1 < 4) # print(2 > 1 and 1 < 4 or 2 < 3 and 9 > 6 or 2 < 4 and 3 < 2) # T or T or F #T or F # print(3>4 or 4<3 and 1==1) # F # print(1 < 2 and 3 < 4 or 1>2) # T # print(2 > 1 and 3 < 4 or 4 > 5 and 2 < 1) # T # print(1 > 2 and 3 < 4 or 4 > 5 and 2 > 1 or 9 < 8) # F # print(1 > 1 and 3 < 4 or 4 > 5 and 2 > 1 and 9 > 8 or 7 < 6) # F # print(not 2 > 1 and 3 < 4 or 4 > 5 and 2 > 1 and 9 > 8 or 7 < 6) # F # int ----> bool 非零轉換成bool True 0 轉換成bool 是False # print(bool(2)) # print(bool(-2)) # print(bool(0)) # #bool --->int # print(int(True)) # 1 # print(int(False)) # 0 '''x or y x True,則返回x''' # print(1 or 2) # 1 # print(3 or 2) # 3 # print(0 or 2) # 2 # print(0 or 100) # 100 # print(2 or 100 or 3 or 4) # 2 # print(0 or 4 and 3 or 2) '''x and y x True,則返回y''' # print(1 and 2) # print(0 and 2) print(2 or 1 < 3) print(3 > 1 or 2 and 2)