January 24 "Basic knowledge of Python3"

January 24 "Basic knowledge of Python3"

3.4 Statistics String
3.5 Multiplication Formulas

3.4 Statistics String

# 统计字符串给类型符号个数s = n = f = 0st = input("随意输入字符：")for i in st:    if i.isalpha():        s += 1    elif i.isdigit():        n += 1    else:        f += 1print("字母有：{0}个，数字有：{1}个，其他符号有：{2}个。".format(s, n, f))print("输入字符长度：{0}".format(len(st)))

3.5 Multiplication Formulas

# 乘法口诀表for i in range(1,10):    for j in range(1,i+1):        print("{0}x{1}={2}  ".format(i, j, i*j), end="")    print()

January 24 "Basic knowledge of Python3"